54999425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 77995008

約数和(自身を除く): 22995583

約数列:

[1, 5, 13, 25, 31, 53, 65, 103, 155, 265, 325, 403, 515, 689, 775, 1325, 1339, 1643, 2015, 2575, 3193, 3445, 5459, 6695, 8215, 10075, 15965, 17225, 21359, 27295, 33475, 41075, 41509, 70967, 79825, 106795, 136475, 169229, 207545, 354835, 533975, 846145, 1037725, 1774175, 2199977, 4230725, 10999885, 54999425]

約数ペア:

[(1, 54999425), (5, 10999885), (13, 4230725), (25, 2199977), (31, 1774175), (53, 1037725), (65, 846145), (103, 533975), (155, 354835), (265, 207545), (325, 169229), (403, 136475), (515, 106795), (689, 79825), (775, 70967), (1325, 41509), (1339, 41075), (1643, 33475), (2015, 27295), (2575, 21359), (3193, 17225), (3445, 15965), (5459, 10075), (6695, 8215)]