320696974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{811}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 528748416

約数和(自身を除く): 208051442

約数列:

[1, 2, 13, 26, 67, 134, 227, 454, 811, 871, 1622, 1742, 2951, 5902, 10543, 15209, 21086, 30418, 54337, 108674, 184097, 197717, 368194, 395434, 706381, 1412762, 2393261, 4786522, 12334499, 24668998, 160348487, 320696974]

約数ペア:

[(1, 320696974), (2, 160348487), (13, 24668998), (26, 12334499), (67, 4786522), (134, 2393261), (227, 1412762), (454, 706381), (811, 395434), (871, 368194), (1622, 197717), (1742, 184097), (2951, 108674), (5902, 54337), (10543, 30418), (15209, 21086)]