28171728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 86322600

約数和(自身を除く): 58150872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 101, 104, 117, 144, 149, 156, 202, 208, 234, 298, 303, 312, 404, 447, 468, 596, 606, 624, 808, 894, 909, 936, 1192, 1212, 1313, 1341, 1616, 1788, 1818, 1872, 1937, 2384, 2424, 2626, 2682, 3576, 3636, 3874, 3939, 4848, 5252, 5364, 5811, 7152, 7272, 7748, 7878, 10504, 10728, 11622, 11817, 14544, 15049, 15496, 15756, 17433, 21008, 21456, 23244, 23634, 30098, 30992, 31512, 34866, 45147, 46488, 47268, 60196, 63024, 69732, 90294, 92976, 94536, 120392, 135441, 139464, 180588, 189072, 195637, 240784, 270882, 278928, 361176, 391274, 541764, 586911, 722352, 782548, 1083528, 1173822, 1565096, 1760733, 2167056, 2347644, 3130192, 3521466, 4695288, 7042932, 9390576, 14085864, 28171728]

約数ペア:

[(1, 28171728), (2, 14085864), (3, 9390576), (4, 7042932), (6, 4695288), (8, 3521466), (9, 3130192), (12, 2347644), (13, 2167056), (16, 1760733), (18, 1565096), (24, 1173822), (26, 1083528), (36, 782548), (39, 722352), (48, 586911), (52, 541764), (72, 391274), (78, 361176), (101, 278928), (104, 270882), (117, 240784), (144, 195637), (149, 189072), (156, 180588), (202, 139464), (208, 135441), (234, 120392), (298, 94536), (303, 92976), (312, 90294), (404, 69732), (447, 63024), (468, 60196), (596, 47268), (606, 46488), (624, 45147), (808, 34866), (894, 31512), (909, 30992), (936, 30098), (1192, 23634), (1212, 23244), (1313, 21456), (1341, 21008), (1616, 17433), (1788, 15756), (1818, 15496), (1872, 15049), (1937, 14544), (2384, 11817), (2424, 11622), (2626, 10728), (2682, 10504), (3576, 7878), (3636, 7748), (3874, 7272), (3939, 7152), (4848, 5811), (5252, 5364)]