205122976

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 413138880

約数和(自身を除く): 208015904

約数列:

[1, 2, 4, 8, 16, 32, 71, 137, 142, 274, 284, 548, 568, 659, 1096, 1136, 1318, 2192, 2272, 2636, 4384, 5272, 9727, 10544, 19454, 21088, 38908, 46789, 77816, 90283, 93578, 155632, 180566, 187156, 311264, 361132, 374312, 722264, 748624, 1444528, 1497248, 2889056, 6410093, 12820186, 25640372, 51280744, 102561488, 205122976]

約数ペア:

[(1, 205122976), (2, 102561488), (4, 51280744), (8, 25640372), (16, 12820186), (32, 6410093), (71, 2889056), (137, 1497248), (142, 1444528), (274, 748624), (284, 722264), (548, 374312), (568, 361132), (659, 311264), (1096, 187156), (1136, 180566), (1318, 155632), (2192, 93578), (2272, 90283), (2636, 77816), (4384, 46789), (5272, 38908), (9727, 21088), (10544, 19454)]