2489749925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{78977}}^1$

素因数の和:79097

約数の個数: 24

約数和(自身を含む): 3359092296

約数和(自身を除く): 869342371

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 1261, 2425, 6305, 31525, 78977, 394885, 1026701, 1974425, 5133505, 7660769, 25667525, 38303845, 99589997, 191519225, 497949985, 2489749925]

約数ペア:

[(1, 2489749925), (5, 497949985), (13, 191519225), (25, 99589997), (65, 38303845), (97, 25667525), (325, 7660769), (485, 5133505), (1261, 1974425), (2425, 1026701), (6305, 394885), (31525, 78977)]