291227170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131777}}^1$

素因数の和:131814

約数の個数: 32

約数和(自身を含む): 597745008

約数和(自身を除く): 306517838

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 131777, 263554, 658885, 1317770, 1713101, 2240209, 3426202, 4480418, 8565505, 11201045, 17131010, 22402090, 29122717, 58245434, 145613585, 291227170]

約数ペア:

[(1, 291227170), (2, 145613585), (5, 58245434), (10, 29122717), (13, 22402090), (17, 17131010), (26, 11201045), (34, 8565505), (65, 4480418), (85, 3426202), (130, 2240209), (170, 1713101), (221, 1317770), (442, 658885), (1105, 263554), (2210, 131777)]