28869775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 39716208

約数和(自身を除く): 10846433

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 1721, 3355, 8605, 16775, 18931, 43025, 94655, 104981, 473275, 524905, 1154791, 2624525, 5773955, 28869775]

約数ペア:

[(1, 28869775), (5, 5773955), (11, 2624525), (25, 1154791), (55, 524905), (61, 473275), (275, 104981), (305, 94655), (671, 43025), (1525, 18931), (1721, 16775), (3355, 8605)]