1640376656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3307211}}^1$

素因数の和:3307250

約数の個数: 20

約数和(自身を含む): 3280754304

約数和(自身を除く): 1640377648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3307211, 6614422, 13228844, 26457688, 52915376, 102523541, 205047082, 410094164, 820188328, 1640376656]

約数ペア:

[(1, 1640376656), (2, 820188328), (4, 410094164), (8, 205047082), (16, 102523541), (31, 52915376), (62, 26457688), (124, 13228844), (248, 6614422), (496, 3307211)]