1640902886

素因数分解:

$2^1\times 7^2\times {\mathrm{947}}^1\times {\mathrm{17681}}^1$

素因数の和:18644

約数の個数: 24

約数和(自身を含む): 2866393656

約数和(自身を除く): 1225490770

約数列:

[1, 2, 7, 14, 49, 98, 947, 1894, 6629, 13258, 17681, 35362, 46403, 92806, 123767, 247534, 866369, 1732738, 16743907, 33487814, 117207349, 234414698, 820451443, 1640902886]

約数ペア:

[(1, 1640902886), (2, 820451443), (7, 234414698), (14, 117207349), (49, 33487814), (98, 16743907), (947, 1732738), (1894, 866369), (6629, 247534), (13258, 123767), (17681, 92806), (35362, 46403)]