201326710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49957}}^1$

素因数の和:50008

約数の個数: 32

約数和(自身を含む): 402861312

約数和(自身を除く): 201534602

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 49957, 99914, 249785, 499570, 649441, 1298882, 1548667, 3097334, 3247205, 6494410, 7743335, 15486670, 20132671, 40265342, 100663355, 201326710]

約数ペア:

[(1, 201326710), (2, 100663355), (5, 40265342), (10, 20132671), (13, 15486670), (26, 7743335), (31, 6494410), (62, 3247205), (65, 3097334), (130, 1548667), (155, 1298882), (310, 649441), (403, 499570), (806, 249785), (2015, 99914), (4030, 49957)]