678953015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{577}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 901513536

約数和(自身を除く): 222560521

約数列:

[1, 5, 13, 43, 65, 215, 421, 559, 577, 2105, 2795, 2885, 5473, 7501, 18103, 24811, 27365, 37505, 90515, 124055, 235339, 242917, 322543, 1176695, 1214585, 1612715, 3157921, 10445431, 15789605, 52227155, 135790603, 678953015]

約数ペア:

[(1, 678953015), (5, 135790603), (13, 52227155), (43, 15789605), (65, 10445431), (215, 3157921), (421, 1612715), (559, 1214585), (577, 1176695), (2105, 322543), (2795, 242917), (2885, 235339), (5473, 124055), (7501, 90515), (18103, 37505), (24811, 27365)]