25118968

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 55301400

約数和(自身を除く): 30182432

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 392, 461, 556, 922, 973, 1112, 1844, 1946, 3227, 3688, 3892, 6454, 6811, 7784, 12908, 13622, 22589, 25816, 27244, 45178, 54488, 64079, 90356, 128158, 180712, 256316, 448553, 512632, 897106, 1794212, 3139871, 3588424, 6279742, 12559484, 25118968]

約数ペア:

[(1, 25118968), (2, 12559484), (4, 6279742), (7, 3588424), (8, 3139871), (14, 1794212), (28, 897106), (49, 512632), (56, 448553), (98, 256316), (139, 180712), (196, 128158), (278, 90356), (392, 64079), (461, 54488), (556, 45178), (922, 27244), (973, 25816), (1112, 22589), (1844, 13622), (1946, 12908), (3227, 7784), (3688, 6811), (3892, 6454)]