161629390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65437}}^1$

素因数の和:65476

約数の個数: 32

約数和(自身を含む): 329807520

約数和(自身を除く): 168178130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 65437, 130874, 327185, 654370, 850681, 1243303, 1701362, 2486606, 4253405, 6216515, 8506810, 12433030, 16162939, 32325878, 80814695, 161629390]

約数ペア:

[(1, 161629390), (2, 80814695), (5, 32325878), (10, 16162939), (13, 12433030), (19, 8506810), (26, 6216515), (38, 4253405), (65, 2486606), (95, 1701362), (130, 1243303), (190, 850681), (247, 654370), (494, 327185), (1235, 130874), (2470, 65437)]