1289402998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1\times {\mathrm{709}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 2107677600

約数和(自身を除く): 818274602

約数列:

[1, 2, 13, 26, 113, 226, 619, 709, 1238, 1418, 1469, 2938, 8047, 9217, 16094, 18434, 69947, 80117, 139894, 160234, 438871, 877742, 909311, 1041521, 1818622, 2083042, 5705323, 11410646, 49592423, 99184846, 644701499, 1289402998]

約数ペア:

[(1, 1289402998), (2, 644701499), (13, 99184846), (26, 49592423), (113, 11410646), (226, 5705323), (619, 2083042), (709, 1818622), (1238, 1041521), (1418, 909311), (1469, 877742), (2938, 438871), (8047, 160234), (9217, 139894), (16094, 80117), (18434, 69947)]