8461648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2431

約数の個数: 40

約数和(自身を含む): 18701928

約数和(自身を除く): 10240280

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 2393, 3536, 4786, 9572, 19144, 31109, 38288, 40681, 62218, 81362, 124436, 162724, 248872, 325448, 497744, 528853, 650896, 1057706, 2115412, 4230824, 8461648]

約数ペア:

[(1, 8461648), (2, 4230824), (4, 2115412), (8, 1057706), (13, 650896), (16, 528853), (17, 497744), (26, 325448), (34, 248872), (52, 162724), (68, 124436), (104, 81362), (136, 62218), (208, 40681), (221, 38288), (272, 31109), (442, 19144), (884, 9572), (1768, 4786), (2393, 3536)]