15749890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1249}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 30870000

約数和(自身を除く): 15120110

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1249, 1261, 2498, 2522, 6245, 6305, 12490, 12610, 16237, 32474, 81185, 121153, 162370, 242306, 605765, 1211530, 1574989, 3149978, 7874945, 15749890]

約数ペア:

[(1, 15749890), (2, 7874945), (5, 3149978), (10, 1574989), (13, 1211530), (26, 605765), (65, 242306), (97, 162370), (130, 121153), (194, 81185), (485, 32474), (970, 16237), (1249, 12610), (1261, 12490), (2498, 6305), (2522, 6245)]