28348225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 37017720

約数和(自身を除く): 8669495

約数列:

[1, 5, 25, 29, 61, 145, 305, 641, 725, 1525, 1769, 3205, 8845, 16025, 18589, 39101, 44225, 92945, 195505, 464725, 977525, 1133929, 5669645, 28348225]

約数ペア:

[(1, 28348225), (5, 5669645), (25, 1133929), (29, 977525), (61, 464725), (145, 195505), (305, 92945), (641, 44225), (725, 39101), (1525, 18589), (1769, 16025), (3205, 8845)]