399681935

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 501258240

約数和(自身を除く): 101576305

約数列:

[1, 5, 73, 79, 83, 167, 365, 395, 415, 835, 5767, 6059, 6557, 12191, 13193, 13861, 28835, 30295, 32785, 60955, 65965, 69305, 478661, 963089, 1011853, 1095019, 2393305, 4815445, 5059265, 5475095, 79936387, 399681935]

約数ペア:

[(1, 399681935), (5, 79936387), (73, 5475095), (79, 5059265), (83, 4815445), (167, 2393305), (365, 1095019), (395, 1011853), (415, 963089), (835, 478661), (5767, 69305), (6059, 65965), (6557, 60955), (12191, 32785), (13193, 30295), (13861, 28835)]