128520248

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 244674000

約数和(自身を除く): 116153752

約数列:

[1, 2, 4, 8, 137, 149, 274, 298, 548, 596, 787, 1096, 1192, 1574, 3148, 6296, 20413, 40826, 81652, 107819, 117263, 163304, 215638, 234526, 431276, 469052, 862552, 938104, 16065031, 32130062, 64260124, 128520248]

約数ペア:

[(1, 128520248), (2, 64260124), (4, 32130062), (8, 16065031), (137, 938104), (149, 862552), (274, 469052), (298, 431276), (548, 234526), (596, 215638), (787, 163304), (1096, 117263), (1192, 107819), (1574, 81652), (3148, 40826), (6296, 20413)]