669242015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 888148800

約数和(自身を除く): 218906785

約数列:

[1, 5, 13, 59, 65, 109, 295, 545, 767, 1417, 1601, 3835, 6431, 7085, 8005, 20813, 32155, 83603, 94459, 104065, 174509, 418015, 472295, 872545, 1227967, 2268617, 6139835, 10296031, 11343085, 51480155, 133848403, 669242015]

約数ペア:

[(1, 669242015), (5, 133848403), (13, 51480155), (59, 11343085), (65, 10296031), (109, 6139835), (295, 2268617), (545, 1227967), (767, 872545), (1417, 472295), (1601, 418015), (3835, 174509), (6431, 104065), (7085, 94459), (8005, 83603), (20813, 32155)]