317797136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{279751}}^1$

素因数の和:279830

約数の個数: 20

約数和(自身を含む): 624406464

約数和(自身を除く): 306609328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 279751, 559502, 1119004, 2238008, 4476016, 19862321, 39724642, 79449284, 158898568, 317797136]

約数ペア:

[(1, 317797136), (2, 158898568), (4, 79449284), (8, 39724642), (16, 19862321), (71, 4476016), (142, 2238008), (284, 1119004), (568, 559502), (1136, 279751)]