661815685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 851834880

約数和(自身を除く): 190019195

約数列:

[1, 5, 23, 59, 103, 115, 295, 515, 947, 1357, 2369, 4735, 6077, 6785, 11845, 21781, 30385, 55873, 97541, 108905, 139771, 279365, 487705, 698855, 1285079, 2243443, 5754919, 6425395, 11217215, 28774595, 132363137, 661815685]

約数ペア:

[(1, 661815685), (5, 132363137), (23, 28774595), (59, 11217215), (103, 6425395), (115, 5754919), (295, 2243443), (515, 1285079), (947, 698855), (1357, 487705), (2369, 279365), (4735, 139771), (6077, 108905), (6785, 97541), (11845, 55873), (21781, 30385)]