81577704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261467}}^1$

素因数の和:261489

約数の個数: 32

約数和(自身を含む): 219633120

約数和(自身を除く): 138055416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261467, 522934, 784401, 1045868, 1568802, 2091736, 3137604, 3399071, 6275208, 6798142, 10197213, 13596284, 20394426, 27192568, 40788852, 81577704]

約数ペア:

[(1, 81577704), (2, 40788852), (3, 27192568), (4, 20394426), (6, 13596284), (8, 10197213), (12, 6798142), (13, 6275208), (24, 3399071), (26, 3137604), (39, 2091736), (52, 1568802), (78, 1045868), (104, 784401), (156, 522934), (312, 261467)]