64218790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 53976410

約数列:

[1, 2, 5, 10, 71, 142, 151, 302, 355, 599, 710, 755, 1198, 1510, 2995, 5990, 10721, 21442, 42529, 53605, 85058, 90449, 107210, 180898, 212645, 425290, 452245, 904490, 6421879, 12843758, 32109395, 64218790]

約数ペア:

[(1, 64218790), (2, 32109395), (5, 12843758), (10, 6421879), (71, 904490), (142, 452245), (151, 425290), (302, 212645), (355, 180898), (599, 107210), (710, 90449), (755, 85058), (1198, 53605), (1510, 42529), (2995, 21442), (5990, 10721)]