81051490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{6173}}^1$

素因数の和:6294

約数の個数: 32

約数和(自身を含む): 158696496

約数和(自身を除く): 77645006

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 6173, 6565, 12346, 13130, 30865, 61730, 80249, 160498, 401245, 623473, 802490, 1246946, 3117365, 6234730, 8105149, 16210298, 40525745, 81051490]

約数ペア:

[(1, 81051490), (2, 40525745), (5, 16210298), (10, 8105149), (13, 6234730), (26, 3117365), (65, 1246946), (101, 802490), (130, 623473), (202, 401245), (505, 160498), (1010, 80249), (1313, 61730), (2626, 30865), (6173, 13130), (6565, 12346)]