81699410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8609}}^1$

素因数の和:8702

約数の個数: 32

約数和(自身を含む): 160559280

約数和(自身を除く): 78859870

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 8609, 9490, 17218, 43045, 86090, 111917, 223834, 559585, 628457, 1119170, 1256914, 3142285, 6284570, 8169941, 16339882, 40849705, 81699410]

約数ペア:

[(1, 81699410), (2, 40849705), (5, 16339882), (10, 8169941), (13, 6284570), (26, 3142285), (65, 1256914), (73, 1119170), (130, 628457), (146, 559585), (365, 223834), (730, 111917), (949, 86090), (1898, 43045), (4745, 17218), (8609, 9490)]