279439225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8513}}^1$

素因数の和:8637

約数の個数: 24

約数和(自身を含む): 376897752

約数和(自身を除く): 97458527

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 2525, 6565, 8513, 32825, 42565, 110669, 212825, 553345, 859813, 2766725, 4299065, 11177569, 21495325, 55887845, 279439225]

約数ペア:

[(1, 279439225), (5, 55887845), (13, 21495325), (25, 11177569), (65, 4299065), (101, 2766725), (325, 859813), (505, 553345), (1313, 212825), (2525, 110669), (6565, 42565), (8513, 32825)]