645551452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{3391}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 1393487872

約数和(自身を除く): 747936420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 523, 1046, 2092, 3391, 3661, 6782, 6799, 7322, 13564, 13598, 14644, 23737, 27196, 44083, 47474, 47593, 88166, 94948, 95186, 176332, 190372, 308581, 617162, 1234324, 1773493, 3546986, 7093972, 12414451, 23055409, 24828902, 46110818, 49657804, 92221636, 161387863, 322775726, 645551452]

約数ペア:

[(1, 645551452), (2, 322775726), (4, 161387863), (7, 92221636), (13, 49657804), (14, 46110818), (26, 24828902), (28, 23055409), (52, 12414451), (91, 7093972), (182, 3546986), (364, 1773493), (523, 1234324), (1046, 617162), (2092, 308581), (3391, 190372), (3661, 176332), (6782, 95186), (6799, 94948), (7322, 88166), (13564, 47593), (13598, 47474), (14644, 44083), (23737, 27196)]