215816590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{85303}}^1$

素因数の和:85344

約数の個数: 32

約数和(自身を含む): 442215936

約数和(自身を除く): 226399346

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 85303, 170606, 426515, 853030, 938333, 1876666, 1961969, 3923938, 4691665, 9383330, 9809845, 19619690, 21581659, 43163318, 107908295, 215816590]

約数ペア:

[(1, 215816590), (2, 107908295), (5, 43163318), (10, 21581659), (11, 19619690), (22, 9809845), (23, 9383330), (46, 4691665), (55, 3923938), (110, 1961969), (115, 1876666), (230, 938333), (253, 853030), (506, 426515), (1265, 170606), (2530, 85303)]