3980470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 7848288

約数和(自身を除く): 3867818

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 457, 670, 871, 914, 1742, 2285, 4355, 4570, 5941, 8710, 11882, 29705, 30619, 59410, 61238, 153095, 306190, 398047, 796094, 1990235, 3980470]

約数ペア:

[(1, 3980470), (2, 1990235), (5, 796094), (10, 398047), (13, 306190), (26, 153095), (65, 61238), (67, 59410), (130, 30619), (134, 29705), (335, 11882), (457, 8710), (670, 5941), (871, 4570), (914, 4355), (1742, 2285)]