81131664

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{13309}}^1$

素因数の和:13447

約数の個数: 40

約数和(自身を含む): 211256320

約数和(自身を除く): 130124656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 6096, 13309, 26618, 39927, 53236, 79854, 106472, 159708, 212944, 319416, 638832, 1690243, 3380486, 5070729, 6760972, 10141458, 13521944, 20282916, 27043888, 40565832, 81131664]

約数ペア:

[(1, 81131664), (2, 40565832), (3, 27043888), (4, 20282916), (6, 13521944), (8, 10141458), (12, 6760972), (16, 5070729), (24, 3380486), (48, 1690243), (127, 638832), (254, 319416), (381, 212944), (508, 159708), (762, 106472), (1016, 79854), (1524, 53236), (2032, 39927), (3048, 26618), (6096, 13309)]