13328858375

素因数分解:

$5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{249721}}^1$

素因数の和:249804

約数の個数: 32

約数和(自身を含む): 19322489472

約数和(自身を除く): 5993631097

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 305, 427, 875, 1525, 2135, 7625, 10675, 53375, 249721, 1248605, 1748047, 6243025, 8740235, 15232981, 31215125, 43701175, 76164905, 106630867, 218505875, 380824525, 533154335, 1904122625, 2665771675, 13328858375]

約数ペア:

[(1, 13328858375), (5, 2665771675), (7, 1904122625), (25, 533154335), (35, 380824525), (61, 218505875), (125, 106630867), (175, 76164905), (305, 43701175), (427, 31215125), (875, 15232981), (1525, 8740235), (2135, 6243025), (7625, 1748047), (10675, 1248605), (53375, 249721)]