550547975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 750451968

約数和(自身を除く): 199903993

約数列:

[1, 5, 17, 25, 37, 85, 157, 185, 223, 425, 629, 785, 925, 1115, 2669, 3145, 3791, 3925, 5575, 5809, 8251, 13345, 15725, 18955, 29045, 35011, 41255, 66725, 94775, 98753, 140267, 145225, 175055, 206275, 493765, 595187, 701335, 875275, 1295407, 2468825, 2975935, 3506675, 6477035, 14879675, 22021919, 32385175, 110109595, 550547975]

約数ペア:

[(1, 550547975), (5, 110109595), (17, 32385175), (25, 22021919), (37, 14879675), (85, 6477035), (157, 3506675), (185, 2975935), (223, 2468825), (425, 1295407), (629, 875275), (785, 701335), (925, 595187), (1115, 493765), (2669, 206275), (3145, 175055), (3791, 145225), (3925, 140267), (5575, 98753), (5809, 94775), (8251, 66725), (13345, 41255), (15725, 35011), (18955, 29045)]