408049016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 831600000

約数和(自身を除く): 423550984

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 149, 152, 172, 298, 344, 419, 596, 817, 838, 1192, 1634, 1676, 2831, 3268, 3352, 5662, 6407, 6536, 7961, 11324, 12814, 15922, 18017, 22648, 25628, 31844, 36034, 51256, 62431, 63688, 72068, 121733, 124862, 144136, 243466, 249724, 342323, 486932, 499448, 684646, 973864, 1186189, 1369292, 2372378, 2684533, 2738584, 4744756, 5369066, 9489512, 10738132, 21476264, 51006127, 102012254, 204024508, 408049016]

約数ペア:

[(1, 408049016), (2, 204024508), (4, 102012254), (8, 51006127), (19, 21476264), (38, 10738132), (43, 9489512), (76, 5369066), (86, 4744756), (149, 2738584), (152, 2684533), (172, 2372378), (298, 1369292), (344, 1186189), (419, 973864), (596, 684646), (817, 499448), (838, 486932), (1192, 342323), (1634, 249724), (1676, 243466), (2831, 144136), (3268, 124862), (3352, 121733), (5662, 72068), (6407, 63688), (6536, 62431), (7961, 51256), (11324, 36034), (12814, 31844), (15922, 25628), (18017, 22648)]