205991208

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{4993}}^1$

素因数の和:5199

約数の個数: 64

約数和(自身を含む): 575308800

約数和(自身を除く): 369317592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 764, 1146, 1528, 1719, 2292, 3438, 4584, 4993, 5157, 6876, 9986, 10314, 13752, 14979, 19972, 20628, 29958, 39944, 41256, 44937, 59916, 89874, 119832, 134811, 179748, 269622, 359496, 539244, 953663, 1078488, 1907326, 2860989, 3814652, 5721978, 7629304, 8582967, 11443956, 17165934, 22887912, 25748901, 34331868, 51497802, 68663736, 102995604, 205991208]

約数ペア:

[(1, 205991208), (2, 102995604), (3, 68663736), (4, 51497802), (6, 34331868), (8, 25748901), (9, 22887912), (12, 17165934), (18, 11443956), (24, 8582967), (27, 7629304), (36, 5721978), (54, 3814652), (72, 2860989), (108, 1907326), (191, 1078488), (216, 953663), (382, 539244), (573, 359496), (764, 269622), (1146, 179748), (1528, 134811), (1719, 119832), (2292, 89874), (3438, 59916), (4584, 44937), (4993, 41256), (5157, 39944), (6876, 29958), (9986, 20628), (10314, 19972), (13752, 14979)]