30991718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 19569562

約数列:

[1, 2, 23, 37, 46, 74, 131, 139, 262, 278, 851, 1702, 3013, 3197, 4847, 5143, 6026, 6394, 9694, 10286, 18209, 36418, 111481, 118289, 222962, 236578, 418807, 673733, 837614, 1347466, 15495859, 30991718]

約数ペア:

[(1, 30991718), (2, 15495859), (23, 1347466), (37, 837614), (46, 673733), (74, 418807), (131, 236578), (139, 222962), (262, 118289), (278, 111481), (851, 36418), (1702, 18209), (3013, 10286), (3197, 9694), (4847, 6394), (5143, 6026)]