421553210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{87641}}^1$

素因数の和:87698

約数の個数: 32

約数和(自身を含む): 839259792

約数和(自身を除く): 417706582

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 87641, 175282, 438205, 876410, 1139333, 2278666, 3242717, 5696665, 6485434, 11393330, 16213585, 32427170, 42155321, 84310642, 210776605, 421553210]

約数ペア:

[(1, 421553210), (2, 210776605), (5, 84310642), (10, 42155321), (13, 32427170), (26, 16213585), (37, 11393330), (65, 6485434), (74, 5696665), (130, 3242717), (185, 2278666), (370, 1139333), (481, 876410), (962, 438205), (2405, 175282), (4810, 87641)]