328661255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6917}}^1$

素因数の和:6995

約数の個数: 32

約数和(自身を含む): 460240704

約数和(自身を除く): 131579449

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 3655, 6917, 9503, 34585, 47515, 89921, 117589, 297431, 449605, 587945, 1487155, 1528657, 3866603, 5056327, 7643285, 19333015, 25281635, 65732251, 328661255]

約数ペア:

[(1, 328661255), (5, 65732251), (13, 25281635), (17, 19333015), (43, 7643285), (65, 5056327), (85, 3866603), (215, 1528657), (221, 1487155), (559, 587945), (731, 449605), (1105, 297431), (2795, 117589), (3655, 89921), (6917, 47515), (9503, 34585)]