28261296

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 96275088

約数和(自身を除く): 68013792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 53, 56, 63, 69, 72, 84, 92, 106, 112, 126, 138, 144, 159, 161, 168, 184, 207, 212, 252, 276, 318, 322, 336, 368, 371, 414, 424, 477, 483, 504, 529, 552, 636, 644, 742, 828, 848, 954, 966, 1008, 1058, 1104, 1113, 1219, 1272, 1288, 1449, 1484, 1587, 1656, 1908, 1932, 2116, 2226, 2438, 2544, 2576, 2898, 2968, 3174, 3312, 3339, 3657, 3703, 3816, 3864, 4232, 4452, 4761, 4876, 5796, 5936, 6348, 6678, 7314, 7406, 7632, 7728, 8464, 8533, 8904, 9522, 9752, 10971, 11109, 11592, 12696, 13356, 14628, 14812, 17066, 17808, 19044, 19504, 21942, 22218, 23184, 25392, 25599, 26712, 28037, 29256, 29624, 33327, 34132, 38088, 43884, 44436, 51198, 53424, 56074, 58512, 59248, 66654, 68264, 76176, 76797, 84111, 87768, 88872, 102396, 112148, 133308, 136528, 153594, 168222, 175536, 177744, 196259, 204792, 224296, 252333, 266616, 307188, 336444, 392518, 409584, 448592, 504666, 533232, 588777, 614376, 672888, 785036, 1009332, 1177554, 1228752, 1345776, 1570072, 1766331, 2018664, 2355108, 3140144, 3532662, 4037328, 4710216, 7065324, 9420432, 14130648, 28261296]

約数ペア:

[(1, 28261296), (2, 14130648), (3, 9420432), (4, 7065324), (6, 4710216), (7, 4037328), (8, 3532662), (9, 3140144), (12, 2355108), (14, 2018664), (16, 1766331), (18, 1570072), (21, 1345776), (23, 1228752), (24, 1177554), (28, 1009332), (36, 785036), (42, 672888), (46, 614376), (48, 588777), (53, 533232), (56, 504666), (63, 448592), (69, 409584), (72, 392518), (84, 336444), (92, 307188), (106, 266616), (112, 252333), (126, 224296), (138, 204792), (144, 196259), (159, 177744), (161, 175536), (168, 168222), (184, 153594), (207, 136528), (212, 133308), (252, 112148), (276, 102396), (318, 88872), (322, 87768), (336, 84111), (368, 76797), (371, 76176), (414, 68264), (424, 66654), (477, 59248), (483, 58512), (504, 56074), (529, 53424), (552, 51198), (636, 44436), (644, 43884), (742, 38088), (828, 34132), (848, 33327), (954, 29624), (966, 29256), (1008, 28037), (1058, 26712), (1104, 25599), (1113, 25392), (1219, 23184), (1272, 22218), (1288, 21942), (1449, 19504), (1484, 19044), (1587, 17808), (1656, 17066), (1908, 14812), (1932, 14628), (2116, 13356), (2226, 12696), (2438, 11592), (2544, 11109), (2576, 10971), (2898, 9752), (2968, 9522), (3174, 8904), (3312, 8533), (3339, 8464), (3657, 7728), (3703, 7632), (3816, 7406), (3864, 7314), (4232, 6678), (4452, 6348), (4761, 5936), (4876, 5796)]