668330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 1333584

約数和(自身を除く): 665254

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 97, 106, 130, 194, 265, 485, 530, 689, 970, 1261, 1378, 2522, 3445, 5141, 6305, 6890, 10282, 12610, 25705, 51410, 66833, 133666, 334165, 668330]

約数ペア:

[(1, 668330), (2, 334165), (5, 133666), (10, 66833), (13, 51410), (26, 25705), (53, 12610), (65, 10282), (97, 6890), (106, 6305), (130, 5141), (194, 3445), (265, 2522), (485, 1378), (530, 1261), (689, 970)]