25561144

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 56204280

約数和(自身を除く): 30643136

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 331, 392, 394, 662, 788, 1324, 1379, 1576, 2317, 2648, 2758, 4634, 5516, 9268, 9653, 11032, 16219, 18536, 19306, 32438, 38612, 64876, 65207, 77224, 129752, 130414, 260828, 456449, 521656, 912898, 1825796, 3195143, 3651592, 6390286, 12780572, 25561144]

約数ペア:

[(1, 25561144), (2, 12780572), (4, 6390286), (7, 3651592), (8, 3195143), (14, 1825796), (28, 912898), (49, 521656), (56, 456449), (98, 260828), (196, 130414), (197, 129752), (331, 77224), (392, 65207), (394, 64876), (662, 38612), (788, 32438), (1324, 19306), (1379, 18536), (1576, 16219), (2317, 11032), (2648, 9653), (2758, 9268), (4634, 5516)]