221488278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{45971}}^1$

素因数の和:46060

約数の個数: 32

約数和(自身を含む): 489877632

約数和(自身を除く): 268389354

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4818, 45971, 91942, 137913, 275826, 505681, 1011362, 1517043, 3034086, 3355883, 6711766, 10067649, 20135298, 36914713, 73829426, 110744139, 221488278]

約数ペア:

[(1, 221488278), (2, 110744139), (3, 73829426), (6, 36914713), (11, 20135298), (22, 10067649), (33, 6711766), (66, 3355883), (73, 3034086), (146, 1517043), (219, 1011362), (438, 505681), (803, 275826), (1606, 137913), (2409, 91942), (4818, 45971)]