25742865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 20705775

約数列:

[1, 3, 5, 15, 23, 29, 31, 69, 83, 87, 93, 115, 145, 155, 249, 345, 415, 435, 465, 667, 713, 899, 1245, 1909, 2001, 2139, 2407, 2573, 2697, 3335, 3565, 4495, 5727, 7221, 7719, 9545, 10005, 10695, 12035, 12865, 13485, 20677, 28635, 36105, 38595, 55361, 59179, 62031, 74617, 103385, 166083, 177537, 223851, 276805, 295895, 310155, 373085, 830415, 887685, 1119255, 1716191, 5148573, 8580955, 25742865]

約数ペア:

[(1, 25742865), (3, 8580955), (5, 5148573), (15, 1716191), (23, 1119255), (29, 887685), (31, 830415), (69, 373085), (83, 310155), (87, 295895), (93, 276805), (115, 223851), (145, 177537), (155, 166083), (249, 103385), (345, 74617), (415, 62031), (435, 59179), (465, 55361), (667, 38595), (713, 36105), (899, 28635), (1245, 20677), (1909, 13485), (2001, 12865), (2139, 12035), (2407, 10695), (2573, 10005), (2697, 9545), (3335, 7719), (3565, 7221), (4495, 5727)]