28199208

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 44376792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 107, 139, 158, 214, 237, 278, 316, 321, 417, 428, 474, 556, 632, 642, 834, 856, 948, 1112, 1284, 1668, 1896, 2568, 3336, 8453, 10981, 14873, 16906, 21962, 25359, 29746, 32943, 33812, 43924, 44619, 50718, 59492, 65886, 67624, 87848, 89238, 101436, 118984, 131772, 178476, 202872, 263544, 356952, 1174967, 2349934, 3524901, 4699868, 7049802, 9399736, 14099604, 28199208]

約数ペア:

[(1, 28199208), (2, 14099604), (3, 9399736), (4, 7049802), (6, 4699868), (8, 3524901), (12, 2349934), (24, 1174967), (79, 356952), (107, 263544), (139, 202872), (158, 178476), (214, 131772), (237, 118984), (278, 101436), (316, 89238), (321, 87848), (417, 67624), (428, 65886), (474, 59492), (556, 50718), (632, 44619), (642, 43924), (834, 33812), (856, 32943), (948, 29746), (1112, 25359), (1284, 21962), (1668, 16906), (1896, 14873), (2568, 10981), (3336, 8453)]