81811632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243487}}^1$

素因数の和:243505

約数の個数: 40

約数和(自身を含む): 241540096

約数和(自身を除く): 159728464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243487, 486974, 730461, 973948, 1460922, 1704409, 1947896, 2921844, 3408818, 3895792, 5113227, 5843688, 6817636, 10226454, 11687376, 13635272, 20452908, 27270544, 40905816, 81811632]

約数ペア:

[(1, 81811632), (2, 40905816), (3, 27270544), (4, 20452908), (6, 13635272), (7, 11687376), (8, 10226454), (12, 6817636), (14, 5843688), (16, 5113227), (21, 3895792), (24, 3408818), (28, 2921844), (42, 1947896), (48, 1704409), (56, 1460922), (84, 973948), (112, 730461), (168, 486974), (336, 243487)]