28360505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 9793735

約数列:

[1, 5, 17, 31, 47, 85, 155, 229, 235, 527, 799, 1145, 1457, 2635, 3893, 3995, 7099, 7285, 10763, 19465, 24769, 35495, 53815, 120683, 123845, 182971, 333653, 603415, 914855, 1668265, 5672101, 28360505]

約数ペア:

[(1, 28360505), (5, 5672101), (17, 1668265), (31, 914855), (47, 603415), (85, 333653), (155, 182971), (229, 123845), (235, 120683), (527, 53815), (799, 35495), (1145, 24769), (1457, 19465), (2635, 10763), (3893, 7285), (3995, 7099)]