28926456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 55745544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 29, 39, 46, 52, 58, 69, 78, 87, 92, 104, 116, 138, 139, 156, 174, 184, 232, 276, 278, 299, 312, 348, 377, 417, 552, 556, 598, 667, 696, 754, 834, 897, 1112, 1131, 1196, 1334, 1508, 1668, 1794, 1807, 2001, 2262, 2392, 2668, 3016, 3197, 3336, 3588, 3614, 4002, 4031, 4524, 5336, 5421, 6394, 7176, 7228, 8004, 8062, 8671, 9048, 9591, 10842, 12093, 12788, 14456, 16008, 16124, 17342, 19182, 21684, 24186, 25576, 26013, 32248, 34684, 38364, 41561, 43368, 48372, 52026, 52403, 69368, 76728, 83122, 92713, 96744, 104052, 104806, 124683, 157209, 166244, 185426, 208104, 209612, 249366, 278139, 314418, 332488, 370852, 419224, 498732, 556278, 628836, 741704, 997464, 1112556, 1205269, 1257672, 2225112, 2410538, 3615807, 4821076, 7231614, 9642152, 14463228, 28926456]

約数ペア:

[(1, 28926456), (2, 14463228), (3, 9642152), (4, 7231614), (6, 4821076), (8, 3615807), (12, 2410538), (13, 2225112), (23, 1257672), (24, 1205269), (26, 1112556), (29, 997464), (39, 741704), (46, 628836), (52, 556278), (58, 498732), (69, 419224), (78, 370852), (87, 332488), (92, 314418), (104, 278139), (116, 249366), (138, 209612), (139, 208104), (156, 185426), (174, 166244), (184, 157209), (232, 124683), (276, 104806), (278, 104052), (299, 96744), (312, 92713), (348, 83122), (377, 76728), (417, 69368), (552, 52403), (556, 52026), (598, 48372), (667, 43368), (696, 41561), (754, 38364), (834, 34684), (897, 32248), (1112, 26013), (1131, 25576), (1196, 24186), (1334, 21684), (1508, 19182), (1668, 17342), (1794, 16124), (1807, 16008), (2001, 14456), (2262, 12788), (2392, 12093), (2668, 10842), (3016, 9591), (3197, 9048), (3336, 8671), (3588, 8062), (3614, 8004), (4002, 7228), (4031, 7176), (4524, 6394), (5336, 5421)]