868205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 1216152

約数和(自身を除く): 347947

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 361, 481, 703, 1235, 1805, 2405, 3515, 4693, 9139, 13357, 23465, 45695, 66785, 173641, 868205]

約数ペア:

[(1, 868205), (5, 173641), (13, 66785), (19, 45695), (37, 23465), (65, 13357), (95, 9139), (185, 4693), (247, 3515), (361, 2405), (481, 1805), (703, 1235)]