25820927495

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 35390103552

約数和(自身を除く): 9569176057

約数列:

[1, 5, 11, 31, 55, 121, 155, 257, 341, 487, 605, 1285, 1331, 1705, 2435, 2827, 3751, 5357, 6655, 7967, 14135, 15097, 18755, 26785, 31097, 39835, 41261, 58927, 75485, 87637, 125159, 155485, 166067, 206305, 294635, 342067, 438185, 625795, 648197, 830335, 964007, 1376749, 1710335, 1826737, 3240985, 3879929, 4820035, 6883745, 9133685, 10604077, 15144239, 19399645, 20094107, 42679219, 53020385, 75721195, 100470535, 166586629, 213396095, 469471409, 832933145, 2347357045, 5164185499, 25820927495]

約数ペア:

[(1, 25820927495), (5, 5164185499), (11, 2347357045), (31, 832933145), (55, 469471409), (121, 213396095), (155, 166586629), (257, 100470535), (341, 75721195), (487, 53020385), (605, 42679219), (1285, 20094107), (1331, 19399645), (1705, 15144239), (2435, 10604077), (2827, 9133685), (3751, 6883745), (5357, 4820035), (6655, 3879929), (7967, 3240985), (14135, 1826737), (15097, 1710335), (18755, 1376749), (26785, 964007), (31097, 830335), (39835, 648197), (41261, 625795), (58927, 438185), (75485, 342067), (87637, 294635), (125159, 206305), (155485, 166067)]