66720066

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 156061440

約数和(自身を除く): 89341374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 229, 294, 458, 687, 991, 1374, 1603, 1982, 2973, 3206, 4809, 5946, 6937, 9618, 11221, 13874, 20811, 22442, 33663, 41622, 48559, 67326, 97118, 145677, 226939, 291354, 453878, 680817, 1361634, 1588573, 3177146, 4765719, 9531438, 11120011, 22240022, 33360033, 66720066]

約数ペア:

[(1, 66720066), (2, 33360033), (3, 22240022), (6, 11120011), (7, 9531438), (14, 4765719), (21, 3177146), (42, 1588573), (49, 1361634), (98, 680817), (147, 453878), (229, 291354), (294, 226939), (458, 145677), (687, 97118), (991, 67326), (1374, 48559), (1603, 41622), (1982, 33663), (2973, 22442), (3206, 20811), (4809, 13874), (5946, 11221), (6937, 9618)]