72257735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 101217600

約数和(自身を除く): 28959865

約数列:

[1, 5, 11, 17, 55, 85, 109, 187, 545, 709, 935, 1199, 1853, 3545, 5995, 7799, 9265, 12053, 20383, 38995, 60265, 77281, 101915, 132583, 386405, 662915, 850091, 1313777, 4250455, 6568885, 14451547, 72257735]

約数ペア:

[(1, 72257735), (5, 14451547), (11, 6568885), (17, 4250455), (55, 1313777), (85, 850091), (109, 662915), (187, 386405), (545, 132583), (709, 101915), (935, 77281), (1199, 60265), (1853, 38995), (3545, 20383), (5995, 12053), (7799, 9265)]