128572895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 172523520

約数和(自身を除く): 43950625

約数列:

[1, 5, 11, 55, 79, 127, 233, 395, 635, 869, 1165, 1397, 2563, 4345, 6985, 10033, 12815, 18407, 29591, 50165, 92035, 110363, 147955, 202477, 325501, 551815, 1012385, 1627505, 2337689, 11688445, 25714579, 128572895]

約数ペア:

[(1, 128572895), (5, 25714579), (11, 11688445), (55, 2337689), (79, 1627505), (127, 1012385), (233, 551815), (395, 325501), (635, 202477), (869, 147955), (1165, 110363), (1397, 92035), (2563, 50165), (4345, 29591), (6985, 18407), (10033, 12815)]