515344310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127877}}^1$

素因数の和:127928

約数の個数: 32

約数和(自身を含む): 1031208192

約数和(自身を除く): 515863882

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 127877, 255754, 639385, 1278770, 1662401, 3324802, 3964187, 7928374, 8312005, 16624010, 19820935, 39641870, 51534431, 103068862, 257672155, 515344310]

約数ペア:

[(1, 515344310), (2, 257672155), (5, 103068862), (10, 51534431), (13, 39641870), (26, 19820935), (31, 16624010), (62, 8312005), (65, 7928374), (130, 3964187), (155, 3324802), (310, 1662401), (403, 1278770), (806, 639385), (2015, 255754), (4030, 127877)]