25605272

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 60445440

約数和(自身を除く): 34840168

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 197, 211, 308, 394, 422, 616, 788, 844, 1379, 1477, 1576, 1688, 2167, 2321, 2758, 2954, 4334, 4642, 5516, 5908, 8668, 9284, 11032, 11816, 15169, 16247, 17336, 18568, 30338, 32494, 41567, 60676, 64988, 83134, 121352, 129976, 166268, 290969, 332536, 457237, 581938, 914474, 1163876, 1828948, 2327752, 3200659, 3657896, 6401318, 12802636, 25605272]

約数ペア:

[(1, 25605272), (2, 12802636), (4, 6401318), (7, 3657896), (8, 3200659), (11, 2327752), (14, 1828948), (22, 1163876), (28, 914474), (44, 581938), (56, 457237), (77, 332536), (88, 290969), (154, 166268), (197, 129976), (211, 121352), (308, 83134), (394, 64988), (422, 60676), (616, 41567), (788, 32494), (844, 30338), (1379, 18568), (1477, 17336), (1576, 16247), (1688, 15169), (2167, 11816), (2321, 11032), (2758, 9284), (2954, 8668), (4334, 5908), (4642, 5516)]