647707965

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{10313}}^1$

素因数の和:10453

約数の個数: 32

約数和(自身を含む): 1069355520

約数和(自身を除く): 421647555

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 265, 395, 795, 1185, 4187, 10313, 12561, 20935, 30939, 51565, 62805, 154695, 546589, 814727, 1639767, 2444181, 2732945, 4073635, 8198835, 12220905, 43180531, 129541593, 215902655, 647707965]

約数ペア:

[(1, 647707965), (3, 215902655), (5, 129541593), (15, 43180531), (53, 12220905), (79, 8198835), (159, 4073635), (237, 2732945), (265, 2444181), (395, 1639767), (795, 814727), (1185, 546589), (4187, 154695), (10313, 62805), (12561, 51565), (20935, 30939)]