1640541656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{15774439}}^1$

素因数の和:15774458

約数の個数: 16

約数和(自身を含む): 3312632400

約数和(自身を除く): 1672090744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 15774439, 31548878, 63097756, 126195512, 205067707, 410135414, 820270828, 1640541656]

約数ペア:

[(1, 1640541656), (2, 820270828), (4, 410135414), (8, 205067707), (13, 126195512), (26, 63097756), (52, 31548878), (104, 15774439)]