218919528

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{2221}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 609639030

約数和(自身を除く): 390719502

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 1369, 2221, 2664, 2738, 4107, 4442, 5476, 6663, 8214, 8884, 10952, 12321, 13326, 16428, 17768, 19989, 24642, 26652, 32856, 39978, 49284, 53304, 79956, 82177, 98568, 159912, 164354, 246531, 328708, 493062, 657416, 739593, 986124, 1479186, 1972248, 2958372, 3040549, 5916744, 6081098, 9121647, 12162196, 18243294, 24324392, 27364941, 36486588, 54729882, 72973176, 109459764, 218919528]

約数ペア:

[(1, 218919528), (2, 109459764), (3, 72973176), (4, 54729882), (6, 36486588), (8, 27364941), (9, 24324392), (12, 18243294), (18, 12162196), (24, 9121647), (36, 6081098), (37, 5916744), (72, 3040549), (74, 2958372), (111, 1972248), (148, 1479186), (222, 986124), (296, 739593), (333, 657416), (444, 493062), (666, 328708), (888, 246531), (1332, 164354), (1369, 159912), (2221, 98568), (2664, 82177), (2738, 79956), (4107, 53304), (4442, 49284), (5476, 39978), (6663, 32856), (8214, 26652), (8884, 24642), (10952, 19989), (12321, 17768), (13326, 16428)]