221728572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2837}}^1$

素因数の和:3027

約数の個数: 72

約数和(自身を含む): 607422816

約数和(自身を除く): 385694244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 334, 468, 501, 668, 1002, 1503, 2004, 2171, 2837, 3006, 4342, 5674, 6012, 6513, 8511, 8684, 11348, 13026, 17022, 19539, 25533, 26052, 34044, 36881, 39078, 51066, 73762, 78156, 102132, 110643, 147524, 221286, 331929, 442572, 473779, 663858, 947558, 1327716, 1421337, 1895116, 2842674, 4264011, 5685348, 6159127, 8528022, 12318254, 17056044, 18477381, 24636508, 36954762, 55432143, 73909524, 110864286, 221728572]

約数ペア:

[(1, 221728572), (2, 110864286), (3, 73909524), (4, 55432143), (6, 36954762), (9, 24636508), (12, 18477381), (13, 17056044), (18, 12318254), (26, 8528022), (36, 6159127), (39, 5685348), (52, 4264011), (78, 2842674), (117, 1895116), (156, 1421337), (167, 1327716), (234, 947558), (334, 663858), (468, 473779), (501, 442572), (668, 331929), (1002, 221286), (1503, 147524), (2004, 110643), (2171, 102132), (2837, 78156), (3006, 73762), (4342, 51066), (5674, 39078), (6012, 36881), (6513, 34044), (8511, 26052), (8684, 25533), (11348, 19539), (13026, 17022)]