81406696

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23831}}^1$

素因数の和:23905

約数の個数: 32

約数和(自身を含む): 177310080

約数和(自身を除く): 95903384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 23831, 47662, 95324, 166817, 190648, 333634, 667268, 1334536, 1453691, 2907382, 5814764, 10175837, 11629528, 20351674, 40703348, 81406696]

約数ペア:

[(1, 81406696), (2, 40703348), (4, 20351674), (7, 11629528), (8, 10175837), (14, 5814764), (28, 2907382), (56, 1453691), (61, 1334536), (122, 667268), (244, 333634), (427, 190648), (488, 166817), (854, 95324), (1708, 47662), (3416, 23831)]