128213658

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{64171}}^1$

素因数の和:64219

約数の個数: 32

約数和(自身を含む): 292624320

約数和(自身を除く): 164410662

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 64171, 128342, 192513, 385026, 577539, 1155078, 1732617, 2374327, 3465234, 4748654, 7122981, 14245962, 21368943, 42737886, 64106829, 128213658]

約数ペア:

[(1, 128213658), (2, 64106829), (3, 42737886), (6, 21368943), (9, 14245962), (18, 7122981), (27, 4748654), (37, 3465234), (54, 2374327), (74, 1732617), (111, 1155078), (222, 577539), (333, 385026), (666, 192513), (999, 128342), (1998, 64171)]