1218392786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{853}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 1989813168

約数和(自身を除く): 771420382

約数列:

[1, 2, 13, 26, 137, 274, 401, 802, 853, 1706, 1781, 3562, 5213, 10426, 11089, 22178, 54937, 109874, 116861, 233722, 342053, 684106, 714181, 1428362, 1519193, 3038386, 4446689, 8893378, 46861261, 93722522, 609196393, 1218392786]

約数ペア:

[(1, 1218392786), (2, 609196393), (13, 93722522), (26, 46861261), (137, 8893378), (274, 4446689), (401, 3038386), (802, 1519193), (853, 1428362), (1706, 714181), (1781, 684106), (3562, 342053), (5213, 233722), (10426, 116861), (11089, 109874), (22178, 54937)]