1640106

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 3939936

約数和(自身を除く): 2299830

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 163, 234, 258, 326, 387, 489, 559, 774, 978, 1118, 1467, 1677, 2119, 2934, 3354, 4238, 5031, 6357, 7009, 10062, 12714, 14018, 19071, 21027, 38142, 42054, 63081, 91117, 126162, 182234, 273351, 546702, 820053, 1640106]

約数ペア:

[(1, 1640106), (2, 820053), (3, 546702), (6, 273351), (9, 182234), (13, 126162), (18, 91117), (26, 63081), (39, 42054), (43, 38142), (78, 21027), (86, 19071), (117, 14018), (129, 12714), (163, 10062), (234, 7009), (258, 6357), (326, 5031), (387, 4238), (489, 3354), (559, 2934), (774, 2119), (978, 1677), (1118, 1467)]