205291216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{14731}}^1$

素因数の和:14819

約数の個数: 40

約数和(自身を含む): 434770784

約数和(自身を除く): 229479568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 14731, 29462, 58924, 117848, 191503, 235696, 383006, 766012, 986977, 1532024, 1973954, 3064048, 3947908, 7895816, 12830701, 15791632, 25661402, 51322804, 102645608, 205291216]

約数ペア:

[(1, 205291216), (2, 102645608), (4, 51322804), (8, 25661402), (13, 15791632), (16, 12830701), (26, 7895816), (52, 3947908), (67, 3064048), (104, 1973954), (134, 1532024), (208, 986977), (268, 766012), (536, 383006), (871, 235696), (1072, 191503), (1742, 117848), (3484, 58924), (6968, 29462), (13936, 14731)]