68123588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 136227840

約数和(自身を除く): 68104252

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 191, 247, 361, 382, 494, 722, 764, 988, 1444, 2483, 3629, 4693, 4966, 6859, 7258, 9386, 9932, 13718, 14516, 18772, 27436, 47177, 68951, 89167, 94354, 137902, 178334, 188708, 275804, 356668, 896363, 1310069, 1792726, 2620138, 3585452, 5240276, 17030897, 34061794, 68123588]

約数ペア:

[(1, 68123588), (2, 34061794), (4, 17030897), (13, 5240276), (19, 3585452), (26, 2620138), (38, 1792726), (52, 1310069), (76, 896363), (191, 356668), (247, 275804), (361, 188708), (382, 178334), (494, 137902), (722, 94354), (764, 89167), (988, 68951), (1444, 47177), (2483, 27436), (3629, 18772), (4693, 14516), (4966, 13718), (6859, 9932), (7258, 9386)]