128644015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 165514752

約数和(自身を除く): 36870737

約数列:

[1, 5, 17, 85, 127, 289, 635, 701, 1445, 2159, 3505, 10795, 11917, 36703, 59585, 89027, 183515, 202589, 445135, 1012945, 1513459, 7567295, 25728803, 128644015]

約数ペア:

[(1, 128644015), (5, 25728803), (17, 7567295), (85, 1513459), (127, 1012945), (289, 445135), (635, 202589), (701, 183515), (1445, 89027), (2159, 59585), (3505, 36703), (10795, 11917)]