28970425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 40388908

約数和(自身を除く): 11418483

約数列:

[1, 5, 11, 25, 55, 61, 121, 157, 275, 305, 605, 671, 785, 1525, 1727, 3025, 3355, 3925, 7381, 8635, 9577, 16775, 18997, 36905, 43175, 47885, 94985, 105347, 184525, 239425, 474925, 526735, 1158817, 2633675, 5794085, 28970425]

約数ペア:

[(1, 28970425), (5, 5794085), (11, 2633675), (25, 1158817), (55, 526735), (61, 474925), (121, 239425), (157, 184525), (275, 105347), (305, 94985), (605, 47885), (671, 43175), (785, 36905), (1525, 18997), (1727, 16775), (3025, 9577), (3355, 8635), (3925, 7381)]