31551728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8923}}^1$

素因数の和:8961

約数の個数: 40

約数和(自身を含む): 69714288

約数和(自身を除く): 38162560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 8923, 17846, 35692, 71384, 115999, 142768, 151691, 231998, 303382, 463996, 606764, 927992, 1213528, 1855984, 1971983, 2427056, 3943966, 7887932, 15775864, 31551728]

約数ペア:

[(1, 31551728), (2, 15775864), (4, 7887932), (8, 3943966), (13, 2427056), (16, 1971983), (17, 1855984), (26, 1213528), (34, 927992), (52, 606764), (68, 463996), (104, 303382), (136, 231998), (208, 151691), (221, 142768), (272, 115999), (442, 71384), (884, 35692), (1768, 17846), (3536, 8923)]