28106359775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1\times {\mathrm{1453}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 38301361056

約数和(自身を除く): 10195001281

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1123, 1325, 1453, 3445, 5615, 7265, 14599, 17225, 18889, 28075, 36325, 59519, 72995, 77009, 94445, 297595, 364975, 385045, 472225, 773747, 1001117, 1487975, 1631719, 1925225, 3868735, 5005585, 8158595, 19343675, 21212347, 25027925, 40792975, 86481107, 106061735, 432405535, 530308675, 1124254391, 2162027675, 5621271955, 28106359775]

約数ペア:

[(1, 28106359775), (5, 5621271955), (13, 2162027675), (25, 1124254391), (53, 530308675), (65, 432405535), (265, 106061735), (325, 86481107), (689, 40792975), (1123, 25027925), (1325, 21212347), (1453, 19343675), (3445, 8158595), (5615, 5005585), (7265, 3868735), (14599, 1925225), (17225, 1631719), (18889, 1487975), (28075, 1001117), (36325, 773747), (59519, 472225), (72995, 385045), (77009, 364975), (94445, 297595)]