42657290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 85222368

約数和(自身を除く): 42565078

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 587, 845, 1118, 1174, 1690, 2795, 2935, 5590, 5870, 7267, 7631, 14534, 15262, 25241, 36335, 38155, 50482, 72670, 76310, 99203, 126205, 198406, 252410, 328133, 496015, 656266, 992030, 1640665, 3281330, 4265729, 8531458, 21328645, 42657290]

約数ペア:

[(1, 42657290), (2, 21328645), (5, 8531458), (10, 4265729), (13, 3281330), (26, 1640665), (43, 992030), (65, 656266), (86, 496015), (130, 328133), (169, 252410), (215, 198406), (338, 126205), (430, 99203), (559, 76310), (587, 72670), (845, 50482), (1118, 38155), (1174, 36335), (1690, 25241), (2795, 15262), (2935, 14534), (5590, 7631), (5870, 7267)]