1639295128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{161221}}^1$

素因数の和:161299

約数の個数: 32

約数和(自身を含む): 3250235520

約数和(自身を除く): 1610940392

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2542, 5084, 10168, 161221, 322442, 644884, 1289768, 4997851, 6610061, 9995702, 13220122, 19991404, 26440244, 39982808, 52880488, 204911891, 409823782, 819647564, 1639295128]

約数ペア:

[(1, 1639295128), (2, 819647564), (4, 409823782), (8, 204911891), (31, 52880488), (41, 39982808), (62, 26440244), (82, 19991404), (124, 13220122), (164, 9995702), (248, 6610061), (328, 4997851), (1271, 1289768), (2542, 644884), (5084, 322442), (10168, 161221)]