209420664

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 538285440

約数和(自身を除く): 328864776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 307, 344, 516, 614, 661, 921, 1032, 1228, 1322, 1842, 1983, 2456, 2644, 3684, 3966, 5288, 7368, 7932, 13201, 15864, 26402, 28423, 39603, 52804, 56846, 79206, 85269, 105608, 113692, 158412, 170538, 202927, 227384, 316824, 341076, 405854, 608781, 682152, 811708, 1217562, 1623416, 2435124, 4870248, 8725861, 17451722, 26177583, 34903444, 52355166, 69806888, 104710332, 209420664]

約数ペア:

[(1, 209420664), (2, 104710332), (3, 69806888), (4, 52355166), (6, 34903444), (8, 26177583), (12, 17451722), (24, 8725861), (43, 4870248), (86, 2435124), (129, 1623416), (172, 1217562), (258, 811708), (307, 682152), (344, 608781), (516, 405854), (614, 341076), (661, 316824), (921, 227384), (1032, 202927), (1228, 170538), (1322, 158412), (1842, 113692), (1983, 105608), (2456, 85269), (2644, 79206), (3684, 56846), (3966, 52804), (5288, 39603), (7368, 28423), (7932, 26402), (13201, 15864)]