28689552

素因数分解:

$2^4\times 3^5\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 85577856

約数和(自身を除く): 56888304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 108, 141, 144, 157, 162, 188, 216, 243, 282, 314, 324, 376, 423, 432, 471, 486, 564, 628, 648, 752, 846, 942, 972, 1128, 1256, 1269, 1296, 1413, 1692, 1884, 1944, 2256, 2512, 2538, 2826, 3384, 3768, 3807, 3888, 4239, 5076, 5652, 6768, 7379, 7536, 7614, 8478, 10152, 11304, 11421, 12717, 14758, 15228, 16956, 20304, 22137, 22608, 22842, 25434, 29516, 30456, 33912, 38151, 44274, 45684, 50868, 59032, 60912, 66411, 67824, 76302, 88548, 91368, 101736, 118064, 132822, 152604, 177096, 182736, 199233, 203472, 265644, 305208, 354192, 398466, 531288, 597699, 610416, 796932, 1062576, 1195398, 1593864, 1793097, 2390796, 3187728, 3586194, 4781592, 7172388, 9563184, 14344776, 28689552]

約数ペア:

[(1, 28689552), (2, 14344776), (3, 9563184), (4, 7172388), (6, 4781592), (8, 3586194), (9, 3187728), (12, 2390796), (16, 1793097), (18, 1593864), (24, 1195398), (27, 1062576), (36, 796932), (47, 610416), (48, 597699), (54, 531288), (72, 398466), (81, 354192), (94, 305208), (108, 265644), (141, 203472), (144, 199233), (157, 182736), (162, 177096), (188, 152604), (216, 132822), (243, 118064), (282, 101736), (314, 91368), (324, 88548), (376, 76302), (423, 67824), (432, 66411), (471, 60912), (486, 59032), (564, 50868), (628, 45684), (648, 44274), (752, 38151), (846, 33912), (942, 30456), (972, 29516), (1128, 25434), (1256, 22842), (1269, 22608), (1296, 22137), (1413, 20304), (1692, 16956), (1884, 15228), (1944, 14758), (2256, 12717), (2512, 11421), (2538, 11304), (2826, 10152), (3384, 8478), (3768, 7614), (3807, 7536), (3888, 7379), (4239, 6768), (5076, 5652)]