28704592

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 71245440

約数和(自身を除く): 42540848

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 47, 49, 56, 76, 82, 94, 98, 112, 133, 152, 164, 188, 196, 266, 287, 304, 328, 329, 376, 392, 532, 574, 656, 658, 752, 779, 784, 893, 931, 1064, 1148, 1316, 1558, 1786, 1862, 1927, 2009, 2128, 2296, 2303, 2632, 3116, 3572, 3724, 3854, 4018, 4592, 4606, 5264, 5453, 6232, 6251, 7144, 7448, 7708, 8036, 9212, 10906, 12464, 12502, 13489, 14288, 14896, 15416, 16072, 18424, 21812, 25004, 26978, 30832, 32144, 36613, 36848, 38171, 43624, 43757, 50008, 53956, 73226, 76342, 87248, 87514, 94423, 100016, 107912, 146452, 152684, 175028, 188846, 215824, 256291, 292904, 305368, 350056, 377692, 512582, 585808, 610736, 700112, 755384, 1025164, 1510768, 1794037, 2050328, 3588074, 4100656, 7176148, 14352296, 28704592]

約数ペア:

[(1, 28704592), (2, 14352296), (4, 7176148), (7, 4100656), (8, 3588074), (14, 2050328), (16, 1794037), (19, 1510768), (28, 1025164), (38, 755384), (41, 700112), (47, 610736), (49, 585808), (56, 512582), (76, 377692), (82, 350056), (94, 305368), (98, 292904), (112, 256291), (133, 215824), (152, 188846), (164, 175028), (188, 152684), (196, 146452), (266, 107912), (287, 100016), (304, 94423), (328, 87514), (329, 87248), (376, 76342), (392, 73226), (532, 53956), (574, 50008), (656, 43757), (658, 43624), (752, 38171), (779, 36848), (784, 36613), (893, 32144), (931, 30832), (1064, 26978), (1148, 25004), (1316, 21812), (1558, 18424), (1786, 16072), (1862, 15416), (1927, 14896), (2009, 14288), (2128, 13489), (2296, 12502), (2303, 12464), (2632, 10906), (3116, 9212), (3572, 8036), (3724, 7708), (3854, 7448), (4018, 7144), (4592, 6251), (4606, 6232), (5264, 5453)]