221978448

素因数分解:

$2^4\times 3^3\times {\mathrm{513839}}^1$

素因数の和:513856

約数の個数: 40

約数和(自身を含む): 637161600

約数和(自身を除く): 415183152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 513839, 1027678, 1541517, 2055356, 3083034, 4110712, 4624551, 6166068, 8221424, 9249102, 12332136, 13873653, 18498204, 24664272, 27747306, 36996408, 55494612, 73992816, 110989224, 221978448]

約数ペア:

[(1, 221978448), (2, 110989224), (3, 73992816), (4, 55494612), (6, 36996408), (8, 27747306), (9, 24664272), (12, 18498204), (16, 13873653), (18, 12332136), (24, 9249102), (27, 8221424), (36, 6166068), (48, 4624551), (54, 4110712), (72, 3083034), (108, 2055356), (144, 1541517), (216, 1027678), (432, 513839)]