25211823

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 17688657

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 167, 237, 273, 501, 553, 637, 1027, 1169, 1659, 1911, 2171, 3081, 3507, 3871, 6513, 7189, 8183, 11613, 13193, 15197, 21567, 24549, 39579, 45591, 50323, 92351, 106379, 150969, 171509, 277053, 319137, 514527, 646457, 1200563, 1939371, 3601689, 8403941, 25211823]

約数ペア:

[(1, 25211823), (3, 8403941), (7, 3601689), (13, 1939371), (21, 1200563), (39, 646457), (49, 514527), (79, 319137), (91, 277053), (147, 171509), (167, 150969), (237, 106379), (273, 92351), (501, 50323), (553, 45591), (637, 39579), (1027, 24549), (1169, 21567), (1659, 15197), (1911, 13193), (2171, 11613), (3081, 8183), (3507, 7189), (3871, 6513)]