89089808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{129491}}^1$

素因数の和:129542

約数の個数: 20

約数和(自身を含む): 176627088

約数和(自身を除く): 87537280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 129491, 258982, 517964, 1035928, 2071856, 5568113, 11136226, 22272452, 44544904, 89089808]

約数ペア:

[(1, 89089808), (2, 44544904), (4, 22272452), (8, 11136226), (16, 5568113), (43, 2071856), (86, 1035928), (172, 517964), (344, 258982), (688, 129491)]