216347890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{85513}}^1$

素因数の和:85554

約数の個数: 32

約数和(自身を含む): 443304576

約数和(自身を除く): 226956686

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 85513, 171026, 427565, 855130, 940643, 1881286, 1966799, 3933598, 4703215, 9406430, 9833995, 19667990, 21634789, 43269578, 108173945, 216347890]

約数ペア:

[(1, 216347890), (2, 108173945), (5, 43269578), (10, 21634789), (11, 19667990), (22, 9833995), (23, 9406430), (46, 4703215), (55, 3933598), (110, 1966799), (115, 1881286), (230, 940643), (253, 855130), (506, 427565), (1265, 171026), (2530, 85513)]