289350215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4787}}^1$

素因数の和:4967

約数の個数: 32

約数和(自身を含む): 435746304

約数和(自身を除く): 146396089

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 385, 785, 1099, 1727, 4787, 5495, 8635, 12089, 23935, 33509, 52657, 60445, 167545, 263285, 368599, 751559, 1842995, 3757795, 5260913, 8267149, 26304565, 41335745, 57870043, 289350215]

約数ペア:

[(1, 289350215), (5, 57870043), (7, 41335745), (11, 26304565), (35, 8267149), (55, 5260913), (77, 3757795), (157, 1842995), (385, 751559), (785, 368599), (1099, 263285), (1727, 167545), (4787, 60445), (5495, 52657), (8635, 33509), (12089, 23935)]