317851664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21523}}^1$

素因数の和:21615

約数の個数: 40

約数和(自身を含む): 672581952

約数和(自身を除く): 354730288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 21523, 43046, 86092, 172184, 279799, 344368, 559598, 1119196, 1528133, 2238392, 3056266, 4476784, 6112532, 12225064, 19865729, 24450128, 39731458, 79462916, 158925832, 317851664]

約数ペア:

[(1, 317851664), (2, 158925832), (4, 79462916), (8, 39731458), (13, 24450128), (16, 19865729), (26, 12225064), (52, 6112532), (71, 4476784), (104, 3056266), (142, 2238392), (208, 1528133), (284, 1119196), (568, 559598), (923, 344368), (1136, 279799), (1846, 172184), (3692, 86092), (7384, 43046), (14768, 21523)]