16615405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 22435200

約数和(自身を除く): 5819795

約数列:

[1, 5, 19, 29, 37, 95, 145, 163, 185, 551, 703, 815, 1073, 2755, 3097, 3515, 4727, 5365, 6031, 15485, 20387, 23635, 30155, 89813, 101935, 114589, 174899, 449065, 572945, 874495, 3323081, 16615405]

約数ペア:

[(1, 16615405), (5, 3323081), (19, 874495), (29, 572945), (37, 449065), (95, 174899), (145, 114589), (163, 101935), (185, 89813), (551, 30155), (703, 23635), (815, 20387), (1073, 15485), (2755, 6031), (3097, 5365), (3515, 4727)]