168308728

素因数分解:

$2^3\times 7^3\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 372960000

約数和(自身を除く): 204651272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 83, 98, 166, 196, 332, 343, 392, 581, 664, 686, 739, 1162, 1372, 1478, 2324, 2744, 2956, 4067, 4648, 5173, 5912, 8134, 10346, 16268, 20692, 28469, 32536, 36211, 41384, 56938, 61337, 72422, 113876, 122674, 144844, 227752, 245348, 253477, 289688, 429359, 490696, 506954, 858718, 1013908, 1717436, 2027816, 3005513, 3434872, 6011026, 12022052, 21038591, 24044104, 42077182, 84154364, 168308728]

約数ペア:

[(1, 168308728), (2, 84154364), (4, 42077182), (7, 24044104), (8, 21038591), (14, 12022052), (28, 6011026), (49, 3434872), (56, 3005513), (83, 2027816), (98, 1717436), (166, 1013908), (196, 858718), (332, 506954), (343, 490696), (392, 429359), (581, 289688), (664, 253477), (686, 245348), (739, 227752), (1162, 144844), (1372, 122674), (1478, 113876), (2324, 72422), (2744, 61337), (2956, 56938), (4067, 41384), (4648, 36211), (5173, 32536), (5912, 28469), (8134, 20692), (10346, 16268)]