719968045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 929076480

約数和(自身を除く): 209108435

約数列:

[1, 5, 19, 71, 95, 173, 355, 617, 865, 1349, 3085, 3287, 6745, 11723, 12283, 16435, 43807, 58615, 61415, 106741, 219035, 233377, 533705, 832333, 1166885, 2028079, 4161665, 7578611, 10140395, 37893055, 143993609, 719968045]

約数ペア:

[(1, 719968045), (5, 143993609), (19, 37893055), (71, 10140395), (95, 7578611), (173, 4161665), (355, 2028079), (617, 1166885), (865, 832333), (1349, 533705), (3085, 233377), (3287, 219035), (6745, 106741), (11723, 61415), (12283, 58615), (16435, 43807)]