81517758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47339}}^1$

素因数の和:47392

約数の個数: 32

約数和(自身を含む): 190874880

約数和(自身を除く): 109357122

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 47339, 94678, 142017, 284034, 331373, 662746, 994119, 1940899, 1988238, 3881798, 5822697, 11645394, 13586293, 27172586, 40758879, 81517758]

約数ペア:

[(1, 81517758), (2, 40758879), (3, 27172586), (6, 13586293), (7, 11645394), (14, 5822697), (21, 3881798), (41, 1988238), (42, 1940899), (82, 994119), (123, 662746), (246, 331373), (287, 284034), (574, 142017), (861, 94678), (1722, 47339)]