81163290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208111}}^1$

素因数の和:208134

約数の個数: 32

約数和(自身を含む): 209776896

約数和(自身を除く): 128613606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208111, 416222, 624333, 1040555, 1248666, 2081110, 2705443, 3121665, 5410886, 6243330, 8116329, 13527215, 16232658, 27054430, 40581645, 81163290]

約数ペア:

[(1, 81163290), (2, 40581645), (3, 27054430), (5, 16232658), (6, 13527215), (10, 8116329), (13, 6243330), (15, 5410886), (26, 3121665), (30, 2705443), (39, 2081110), (65, 1248666), (78, 1040555), (130, 624333), (195, 416222), (390, 208111)]