28697630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7121}}^1$

素因数の和:7172

約数の個数: 32

約数和(自身を含む): 57431808

約数和(自身を除く): 28734178

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7121, 14242, 35605, 71210, 92573, 185146, 220751, 441502, 462865, 925730, 1103755, 2207510, 2869763, 5739526, 14348815, 28697630]

約数ペア:

[(1, 28697630), (2, 14348815), (5, 5739526), (10, 2869763), (13, 2207510), (26, 1103755), (31, 925730), (62, 462865), (65, 441502), (130, 220751), (155, 185146), (310, 92573), (403, 71210), (806, 35605), (2015, 14242), (4030, 7121)]