2517775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3444224

約数和(自身を除く): 926449

約数列:

[1, 5, 13, 25, 61, 65, 127, 305, 325, 635, 793, 1525, 1651, 3175, 3965, 7747, 8255, 19825, 38735, 41275, 100711, 193675, 503555, 2517775]

約数ペア:

[(1, 2517775), (5, 503555), (13, 193675), (25, 100711), (61, 41275), (65, 38735), (127, 19825), (305, 8255), (325, 7747), (635, 3965), (793, 3175), (1525, 1651)]