25378522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 20005670

約数列:

[1, 2, 13, 23, 26, 31, 37, 46, 62, 74, 299, 403, 481, 598, 713, 806, 851, 962, 1147, 1369, 1426, 1702, 2294, 2738, 9269, 11063, 14911, 17797, 18538, 22126, 26381, 29822, 31487, 35594, 42439, 52762, 62974, 84878, 342953, 409331, 551707, 685906, 818662, 976097, 1103414, 1952194, 12689261, 25378522]

約数ペア:

[(1, 25378522), (2, 12689261), (13, 1952194), (23, 1103414), (26, 976097), (31, 818662), (37, 685906), (46, 551707), (62, 409331), (74, 342953), (299, 84878), (403, 62974), (481, 52762), (598, 42439), (713, 35594), (806, 31487), (851, 29822), (962, 26381), (1147, 22126), (1369, 18538), (1426, 17797), (1702, 14911), (2294, 11063), (2738, 9269)]