638002488

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 1614856320

約数和(自身を除く): 976853832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 307, 393, 524, 614, 661, 786, 921, 1048, 1228, 1322, 1572, 1842, 1983, 2456, 2644, 3144, 3684, 3966, 5288, 7368, 7932, 15864, 40217, 80434, 86591, 120651, 160868, 173182, 202927, 241302, 259773, 321736, 346364, 405854, 482604, 519546, 608781, 692728, 811708, 965208, 1039092, 1217562, 1623416, 2078184, 2435124, 4870248, 26583437, 53166874, 79750311, 106333748, 159500622, 212667496, 319001244, 638002488]

約数ペア:

[(1, 638002488), (2, 319001244), (3, 212667496), (4, 159500622), (6, 106333748), (8, 79750311), (12, 53166874), (24, 26583437), (131, 4870248), (262, 2435124), (307, 2078184), (393, 1623416), (524, 1217562), (614, 1039092), (661, 965208), (786, 811708), (921, 692728), (1048, 608781), (1228, 519546), (1322, 482604), (1572, 405854), (1842, 346364), (1983, 321736), (2456, 259773), (2644, 241302), (3144, 202927), (3684, 173182), (3966, 160868), (5288, 120651), (7368, 86591), (7932, 80434), (15864, 40217)]