138413392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:10991

約数の個数: 40

約数和(自身を含む): 293566280

約数和(自身を除く): 155152888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 10909, 12688, 21818, 43636, 87272, 141817, 174544, 283634, 567268, 665449, 1134536, 1330898, 2269072, 2661796, 5323592, 8650837, 10647184, 17301674, 34603348, 69206696, 138413392]

約数ペア:

[(1, 138413392), (2, 69206696), (4, 34603348), (8, 17301674), (13, 10647184), (16, 8650837), (26, 5323592), (52, 2661796), (61, 2269072), (104, 1330898), (122, 1134536), (208, 665449), (244, 567268), (488, 283634), (793, 174544), (976, 141817), (1586, 87272), (3172, 43636), (6344, 21818), (10909, 12688)]