42172325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 59957100

約数和(自身を除く): 17784775

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 449, 1105, 1445, 2245, 3757, 5525, 5837, 7225, 7633, 11225, 18785, 29185, 38165, 93925, 99229, 129761, 145925, 190825, 496145, 648805, 1686893, 2480725, 3244025, 8434465, 42172325]

約数ペア:

[(1, 42172325), (5, 8434465), (13, 3244025), (17, 2480725), (25, 1686893), (65, 648805), (85, 496145), (221, 190825), (289, 145925), (325, 129761), (425, 99229), (449, 93925), (1105, 38165), (1445, 29185), (2245, 18785), (3757, 11225), (5525, 7633), (5837, 7225)]