68038568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2131}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 137897760

約数和(自身を除く): 69859192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 1228, 2131, 2456, 3991, 4262, 7982, 8524, 15964, 17048, 27703, 31928, 55406, 110812, 221624, 654217, 1308434, 2616868, 5233736, 8504821, 17009642, 34019284, 68038568]

約数ペア:

[(1, 68038568), (2, 34019284), (4, 17009642), (8, 8504821), (13, 5233736), (26, 2616868), (52, 1308434), (104, 654217), (307, 221624), (614, 110812), (1228, 55406), (2131, 31928), (2456, 27703), (3991, 17048), (4262, 15964), (7982, 8524)]