72904985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 94556160

約数和(自身を除く): 21651175

約数列:

[1, 5, 29, 37, 107, 127, 145, 185, 535, 635, 1073, 3103, 3683, 3959, 4699, 5365, 13589, 15515, 18415, 19795, 23495, 67945, 114811, 136271, 394081, 502793, 574055, 681355, 1970405, 2513965, 14580997, 72904985]

約数ペア:

[(1, 72904985), (5, 14580997), (29, 2513965), (37, 1970405), (107, 681355), (127, 574055), (145, 502793), (185, 394081), (535, 136271), (635, 114811), (1073, 67945), (3103, 23495), (3683, 19795), (3959, 18415), (4699, 15515), (5365, 13589)]