129378142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 204019200

約数和(自身を除く): 74641058

約数列:

[1, 2, 43, 79, 86, 137, 139, 158, 274, 278, 3397, 5891, 5977, 6794, 10823, 10981, 11782, 11954, 19043, 21646, 21962, 38086, 465389, 472183, 818849, 930778, 944366, 1504397, 1637698, 3008794, 64689071, 129378142]

約数ペア:

[(1, 129378142), (2, 64689071), (43, 3008794), (79, 1637698), (86, 1504397), (137, 944366), (139, 930778), (158, 818849), (274, 472183), (278, 465389), (3397, 38086), (5891, 21962), (5977, 21646), (6794, 19043), (10823, 11954), (10981, 11782)]