645848546

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{1621}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 1121126400

約数和(自身を除く): 475277854

約数列:

[1, 2, 7, 14, 149, 191, 298, 382, 1043, 1337, 1621, 2086, 2674, 3242, 11347, 22694, 28459, 56918, 199213, 241529, 309611, 398426, 483058, 619222, 1690703, 2167277, 3381406, 4334554, 46132039, 92264078, 322924273, 645848546]

約数ペア:

[(1, 645848546), (2, 322924273), (7, 92264078), (14, 46132039), (149, 4334554), (191, 3381406), (298, 2167277), (382, 1690703), (1043, 619222), (1337, 483058), (1621, 398426), (2086, 309611), (2674, 241529), (3242, 199213), (11347, 56918), (22694, 28459)]