15992015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 22740480

約数和(自身を除く): 6748465

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 563, 1235, 1495, 2185, 2815, 5681, 7319, 10697, 12949, 28405, 36595, 53485, 64745, 139061, 168337, 246031, 695305, 841685, 1230155, 3198403, 15992015]

約数ペア:

[(1, 15992015), (5, 3198403), (13, 1230155), (19, 841685), (23, 695305), (65, 246031), (95, 168337), (115, 139061), (247, 64745), (299, 53485), (437, 36595), (563, 28405), (1235, 12949), (1495, 10697), (2185, 7319), (2815, 5681)]