4009225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 5535360

約数和(自身を除く): 1526135

約数列:

[1, 5, 11, 25, 55, 61, 239, 275, 305, 671, 1195, 1525, 2629, 3355, 5975, 13145, 14579, 16775, 65725, 72895, 160369, 364475, 801845, 4009225]

約数ペア:

[(1, 4009225), (5, 801845), (11, 364475), (25, 160369), (55, 72895), (61, 65725), (239, 16775), (275, 14579), (305, 13145), (671, 5975), (1195, 3355), (1525, 2629)]