221472288

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{10831}}^1$

素因数の和:10918

約数の個数: 72

約数和(自身を含む): 638741376

約数和(自身を除く): 417269088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 10831, 20448, 21662, 32493, 43324, 64986, 86648, 97479, 129972, 173296, 194958, 259944, 346592, 389916, 519888, 769001, 779832, 1039776, 1538002, 1559664, 2307003, 3076004, 3119328, 4614006, 6152008, 6921009, 9228012, 12304016, 13842018, 18456024, 24608032, 27684036, 36912048, 55368072, 73824096, 110736144, 221472288]

約数ペア:

[(1, 221472288), (2, 110736144), (3, 73824096), (4, 55368072), (6, 36912048), (8, 27684036), (9, 24608032), (12, 18456024), (16, 13842018), (18, 12304016), (24, 9228012), (32, 6921009), (36, 6152008), (48, 4614006), (71, 3119328), (72, 3076004), (96, 2307003), (142, 1559664), (144, 1538002), (213, 1039776), (284, 779832), (288, 769001), (426, 519888), (568, 389916), (639, 346592), (852, 259944), (1136, 194958), (1278, 173296), (1704, 129972), (2272, 97479), (2556, 86648), (3408, 64986), (5112, 43324), (6816, 32493), (10224, 21662), (10831, 20448)]