81229288

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9239}}^1$

素因数の和:9409

約数の個数: 32

約数和(自身を含む): 175190400

約数和(自身を除く): 93961112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 9239, 18478, 36956, 64673, 73912, 129346, 258692, 517384, 1450523, 2901046, 5802092, 10153661, 11604184, 20307322, 40614644, 81229288]

約数ペア:

[(1, 81229288), (2, 40614644), (4, 20307322), (7, 11604184), (8, 10153661), (14, 5802092), (28, 2901046), (56, 1450523), (157, 517384), (314, 258692), (628, 129346), (1099, 73912), (1256, 64673), (2198, 36956), (4396, 18478), (8792, 9239)]