16389685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 23304960

約数和(自身を除く): 6915275

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 577, 1235, 1495, 2185, 2885, 5681, 7501, 10963, 13271, 28405, 37505, 54815, 66355, 142519, 172523, 252149, 712595, 862615, 1260745, 3277937, 16389685]

約数ペア:

[(1, 16389685), (5, 3277937), (13, 1260745), (19, 862615), (23, 712595), (65, 252149), (95, 172523), (115, 142519), (247, 66355), (299, 54815), (437, 37505), (577, 28405), (1235, 13271), (1495, 10963), (2185, 7501), (2885, 5681)]