664308944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{44983}}^1$

素因数の和:45075

約数の個数: 40

約数和(自身を含む): 1405660032

約数和(自身を除く): 741351088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 44983, 89966, 179932, 359864, 584779, 719728, 1169558, 2339116, 3193793, 4678232, 6387586, 9356464, 12775172, 25550344, 41519309, 51100688, 83038618, 166077236, 332154472, 664308944]

約数ペア:

[(1, 664308944), (2, 332154472), (4, 166077236), (8, 83038618), (13, 51100688), (16, 41519309), (26, 25550344), (52, 12775172), (71, 9356464), (104, 6387586), (142, 4678232), (208, 3193793), (284, 2339116), (568, 1169558), (923, 719728), (1136, 584779), (1846, 359864), (3692, 179932), (7384, 89966), (14768, 44983)]