81889115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{937}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 123185664

約数和(自身を除く): 41296549

約数列:

[1, 5, 7, 11, 35, 55, 77, 227, 385, 937, 1135, 1589, 2497, 4685, 6559, 7945, 10307, 12485, 17479, 32795, 51535, 72149, 87395, 212699, 360745, 1063495, 1488893, 2339689, 7444465, 11698445, 16377823, 81889115]

約数ペア:

[(1, 81889115), (5, 16377823), (7, 11698445), (11, 7444465), (35, 2339689), (55, 1488893), (77, 1063495), (227, 360745), (385, 212699), (937, 87395), (1135, 72149), (1589, 51535), (2497, 32795), (4685, 17479), (6559, 12485), (7945, 10307)]