68447408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 136196640

約数和(自身を除く): 67749232

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 677, 712, 1136, 1354, 1424, 2708, 5416, 6319, 10832, 12638, 25276, 48067, 50552, 60253, 96134, 101104, 120506, 192268, 241012, 384536, 482024, 769072, 964048, 4277963, 8555926, 17111852, 34223704, 68447408]

約数ペア:

[(1, 68447408), (2, 34223704), (4, 17111852), (8, 8555926), (16, 4277963), (71, 964048), (89, 769072), (142, 482024), (178, 384536), (284, 241012), (356, 192268), (568, 120506), (677, 101104), (712, 96134), (1136, 60253), (1354, 50552), (1424, 48067), (2708, 25276), (5416, 12638), (6319, 10832)]