678661665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3049}}^1$

素因数の和:3158

約数の個数: 64

約数和(自身を含む): 1264896000

約数和(自身を除く): 586234335

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 71, 95, 165, 209, 213, 285, 355, 627, 781, 1045, 1065, 1349, 2343, 3049, 3135, 3905, 4047, 6745, 9147, 11715, 14839, 15245, 20235, 33539, 44517, 45735, 57931, 74195, 100617, 167695, 173793, 216479, 222585, 289655, 503085, 637241, 649437, 868965, 1082395, 1911723, 2381269, 3186205, 3247185, 4113101, 7143807, 9558615, 11906345, 12339303, 20565505, 35719035, 45244111, 61696515, 135732333, 226220555, 678661665]

約数ペア:

[(1, 678661665), (3, 226220555), (5, 135732333), (11, 61696515), (15, 45244111), (19, 35719035), (33, 20565505), (55, 12339303), (57, 11906345), (71, 9558615), (95, 7143807), (165, 4113101), (209, 3247185), (213, 3186205), (285, 2381269), (355, 1911723), (627, 1082395), (781, 868965), (1045, 649437), (1065, 637241), (1349, 503085), (2343, 289655), (3049, 222585), (3135, 216479), (3905, 173793), (4047, 167695), (6745, 100617), (9147, 74195), (11715, 57931), (14839, 45735), (15245, 44517), (20235, 33539)]