199904757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{773}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 303408000

約数和(自身を除く): 103503243

約数列:

[1, 3, 13, 19, 39, 57, 247, 349, 741, 773, 1047, 2319, 4537, 6631, 10049, 13611, 14687, 19893, 30147, 44061, 86203, 190931, 258609, 269777, 572793, 809331, 3507101, 5125763, 10521303, 15377289, 66634919, 199904757]

約数ペア:

[(1, 199904757), (3, 66634919), (13, 15377289), (19, 10521303), (39, 5125763), (57, 3507101), (247, 809331), (349, 572793), (741, 269777), (773, 258609), (1047, 190931), (2319, 86203), (4537, 44061), (6631, 30147), (10049, 19893), (13611, 14687)]