208042015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{10457}}^1$

素因数の和:10658

約数の個数: 16

約数和(自身を含む): 262035648

約数和(自身を除く): 53993633

約数列:

[1, 5, 23, 115, 173, 865, 3979, 10457, 19895, 52285, 240511, 1202555, 1809061, 9045305, 41608403, 208042015]

約数ペア:

[(1, 208042015), (5, 41608403), (23, 9045305), (115, 1809061), (173, 1202555), (865, 240511), (3979, 52285), (10457, 19895)]