81383944

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 154980000

約数和(自身を除く): 73596056

約数列:

[1, 2, 4, 8, 139, 163, 278, 326, 449, 556, 652, 898, 1112, 1304, 1796, 3592, 22657, 45314, 62411, 73187, 90628, 124822, 146374, 181256, 249644, 292748, 499288, 585496, 10172993, 20345986, 40691972, 81383944]

約数ペア:

[(1, 81383944), (2, 40691972), (4, 20345986), (8, 10172993), (139, 585496), (163, 499288), (278, 292748), (326, 249644), (449, 181256), (556, 146374), (652, 124822), (898, 90628), (1112, 73187), (1304, 62411), (1796, 45314), (3592, 22657)]