13289948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 14708260

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 251, 427, 434, 502, 854, 868, 1004, 1708, 1757, 1891, 3514, 3782, 7028, 7564, 7781, 13237, 15311, 15562, 26474, 30622, 31124, 52948, 54467, 61244, 107177, 108934, 214354, 217868, 428708, 474641, 949282, 1898564, 3322487, 6644974, 13289948]

約数ペア:

[(1, 13289948), (2, 6644974), (4, 3322487), (7, 1898564), (14, 949282), (28, 474641), (31, 428708), (61, 217868), (62, 214354), (122, 108934), (124, 107177), (217, 61244), (244, 54467), (251, 52948), (427, 31124), (434, 30622), (502, 26474), (854, 15562), (868, 15311), (1004, 13237), (1708, 7781), (1757, 7564), (1891, 7028), (3514, 3782)]