81934178

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 131907072

約数和(自身を除く): 49972894

約数列:

[1, 2, 31, 43, 62, 73, 86, 146, 421, 842, 1333, 2263, 2666, 3139, 4526, 6278, 13051, 18103, 26102, 30733, 36206, 61466, 97309, 194618, 561193, 952723, 1122386, 1321519, 1905446, 2643038, 40967089, 81934178]

約数ペア:

[(1, 81934178), (2, 40967089), (31, 2643038), (43, 1905446), (62, 1321519), (73, 1122386), (86, 952723), (146, 561193), (421, 194618), (842, 97309), (1333, 61466), (2263, 36206), (2666, 30733), (3139, 26102), (4526, 18103), (6278, 13051)]