86447470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 158708160

約数和(自身を除く): 72260690

約数列:

[1, 2, 5, 10, 71, 142, 313, 355, 389, 626, 710, 778, 1565, 1945, 3130, 3890, 22223, 27619, 44446, 55238, 111115, 121757, 138095, 222230, 243514, 276190, 608785, 1217570, 8644747, 17289494, 43223735, 86447470]

約数ペア:

[(1, 86447470), (2, 43223735), (5, 17289494), (10, 8644747), (71, 1217570), (142, 608785), (313, 276190), (355, 243514), (389, 222230), (626, 138095), (710, 121757), (778, 111115), (1565, 55238), (1945, 44446), (3130, 27619), (3890, 22223)]