2221925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2952192

約数和(自身を除く): 730267

約数列:

[1, 5, 25, 31, 47, 61, 155, 235, 305, 775, 1175, 1457, 1525, 1891, 2867, 7285, 9455, 14335, 36425, 47275, 71675, 88877, 444385, 2221925]

約数ペア:

[(1, 2221925), (5, 444385), (25, 88877), (31, 71675), (47, 47275), (61, 36425), (155, 14335), (235, 9455), (305, 7285), (775, 2867), (1175, 1891), (1457, 1525)]