128439558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 306803952

約数和(自身を除く): 178364394

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 103, 117, 146, 206, 219, 234, 309, 438, 618, 657, 927, 949, 1314, 1339, 1854, 1898, 2678, 2847, 4017, 5329, 5694, 7519, 8034, 8541, 10658, 12051, 15038, 15987, 17082, 22557, 24102, 31974, 45114, 47961, 67671, 69277, 95922, 97747, 135342, 138554, 195494, 207831, 293241, 415662, 548887, 586482, 623493, 879723, 1097774, 1246986, 1646661, 1759446, 3293322, 4939983, 7135531, 9879966, 14271062, 21406593, 42813186, 64219779, 128439558]

約数ペア:

[(1, 128439558), (2, 64219779), (3, 42813186), (6, 21406593), (9, 14271062), (13, 9879966), (18, 7135531), (26, 4939983), (39, 3293322), (73, 1759446), (78, 1646661), (103, 1246986), (117, 1097774), (146, 879723), (206, 623493), (219, 586482), (234, 548887), (309, 415662), (438, 293241), (618, 207831), (657, 195494), (927, 138554), (949, 135342), (1314, 97747), (1339, 95922), (1854, 69277), (1898, 67671), (2678, 47961), (2847, 45114), (4017, 31974), (5329, 24102), (5694, 22557), (7519, 17082), (8034, 15987), (8541, 15038), (10658, 12051)]