78392015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 109118016

約数和(自身を除く): 30726001

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 1163, 3965, 5185, 5815, 13481, 15119, 19771, 67405, 70943, 75595, 98855, 257023, 354715, 922259, 1206031, 1285115, 4611295, 6030155, 15678403, 78392015]

約数ペア:

[(1, 78392015), (5, 15678403), (13, 6030155), (17, 4611295), (61, 1285115), (65, 1206031), (85, 922259), (221, 354715), (305, 257023), (793, 98855), (1037, 75595), (1105, 70943), (1163, 67405), (3965, 19771), (5185, 15119), (5815, 13481)]