25811044

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 57456000

約数和(自身を除く): 31644956

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 116, 133, 196, 203, 239, 266, 406, 478, 532, 551, 812, 931, 956, 1102, 1421, 1673, 1862, 2204, 2842, 3346, 3724, 3857, 4541, 5684, 6692, 6931, 7714, 9082, 11711, 13862, 15428, 18164, 23422, 26999, 27724, 31787, 46844, 48517, 53998, 63574, 97034, 107996, 127148, 131689, 194068, 222509, 263378, 339619, 445018, 526756, 679238, 890036, 921823, 1358476, 1843646, 3687292, 6452761, 12905522, 25811044]

約数ペア:

[(1, 25811044), (2, 12905522), (4, 6452761), (7, 3687292), (14, 1843646), (19, 1358476), (28, 921823), (29, 890036), (38, 679238), (49, 526756), (58, 445018), (76, 339619), (98, 263378), (116, 222509), (133, 194068), (196, 131689), (203, 127148), (239, 107996), (266, 97034), (406, 63574), (478, 53998), (532, 48517), (551, 46844), (812, 31787), (931, 27724), (956, 26999), (1102, 23422), (1421, 18164), (1673, 15428), (1862, 13862), (2204, 11711), (2842, 9082), (3346, 7714), (3724, 6931), (3857, 6692), (4541, 5684)]