131439728

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19891}}^1$

素因数の和:19965

約数の個数: 40

約数和(自身を含む): 295992960

約数和(自身を除く): 164553232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 19891, 39782, 79564, 139237, 159128, 278474, 318256, 556948, 1113896, 1173569, 2227792, 2347138, 4694276, 8214983, 9388552, 16429966, 18777104, 32859932, 65719864, 131439728]

約数ペア:

[(1, 131439728), (2, 65719864), (4, 32859932), (7, 18777104), (8, 16429966), (14, 9388552), (16, 8214983), (28, 4694276), (56, 2347138), (59, 2227792), (112, 1173569), (118, 1113896), (236, 556948), (413, 318256), (472, 278474), (826, 159128), (944, 139237), (1652, 79564), (3304, 39782), (6608, 19891)]