639806296

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 1210910400

約数和(自身を除く): 571104104

約数列:

[1, 2, 4, 8, 163, 326, 419, 652, 838, 1171, 1304, 1676, 2342, 3352, 4684, 9368, 68297, 136594, 190873, 273188, 381746, 490649, 546376, 763492, 981298, 1526984, 1962596, 3925192, 79975787, 159951574, 319903148, 639806296]

約数ペア:

[(1, 639806296), (2, 319903148), (4, 159951574), (8, 79975787), (163, 3925192), (326, 1962596), (419, 1526984), (652, 981298), (838, 763492), (1171, 546376), (1304, 490649), (1676, 381746), (2342, 273188), (3352, 190873), (4684, 136594), (9368, 68297)]