2279078425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^2\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 36

約数和(自身を含む): 3077930604

約数和(自身を除く): 798852179

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 661, 1339, 2575, 3305, 6695, 8593, 10609, 16525, 33475, 42965, 53045, 68083, 137917, 214825, 265225, 340415, 689585, 885079, 1702075, 3447925, 4425395, 7012549, 22126975, 35062745, 91163137, 175313725, 455815685, 2279078425]

約数ペア:

[(1, 2279078425), (5, 455815685), (13, 175313725), (25, 91163137), (65, 35062745), (103, 22126975), (325, 7012549), (515, 4425395), (661, 3447925), (1339, 1702075), (2575, 885079), (3305, 689585), (6695, 340415), (8593, 265225), (10609, 214825), (16525, 137917), (33475, 68083), (42965, 53045)]