25019748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 68709368

約数和(自身を除く): 43689620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 193, 234, 277, 386, 468, 554, 579, 772, 831, 1108, 1158, 1662, 1737, 2316, 2493, 2509, 3324, 3474, 3601, 4986, 5018, 6948, 7202, 7527, 9972, 10036, 10803, 14404, 15054, 21606, 22581, 30108, 32409, 43212, 45162, 53461, 64818, 90324, 106922, 129636, 160383, 213844, 320766, 481149, 641532, 694993, 962298, 1389986, 1924596, 2084979, 2779972, 4169958, 6254937, 8339916, 12509874, 25019748]

約数ペア:

[(1, 25019748), (2, 12509874), (3, 8339916), (4, 6254937), (6, 4169958), (9, 2779972), (12, 2084979), (13, 1924596), (18, 1389986), (26, 962298), (36, 694993), (39, 641532), (52, 481149), (78, 320766), (117, 213844), (156, 160383), (193, 129636), (234, 106922), (277, 90324), (386, 64818), (468, 53461), (554, 45162), (579, 43212), (772, 32409), (831, 30108), (1108, 22581), (1158, 21606), (1662, 15054), (1737, 14404), (2316, 10803), (2493, 10036), (2509, 9972), (3324, 7527), (3474, 7202), (3601, 6948), (4986, 5018)]