31151246

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 56401920

約数和(自身を除く): 25250674

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 1087, 1246, 2047, 2174, 4094, 7609, 14329, 15218, 25001, 28658, 50002, 96743, 175007, 193486, 350014, 677201, 1354402, 2225089, 4450178, 15575623, 31151246]

約数ペア:

[(1, 31151246), (2, 15575623), (7, 4450178), (14, 2225089), (23, 1354402), (46, 677201), (89, 350014), (161, 193486), (178, 175007), (322, 96743), (623, 50002), (1087, 28658), (1246, 25001), (2047, 15218), (2174, 14329), (4094, 7609)]