221545872

素因数分解:

$2^4\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2953}}^1$

素因数の和:3488

約数の個数: 60

約数和(自身を含む): 621421164

約数和(自身を除く): 399875292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 521, 1042, 1563, 2084, 2953, 3126, 4168, 4689, 5906, 6252, 8336, 8859, 9378, 11812, 12504, 17718, 18756, 23624, 25008, 26577, 35436, 37512, 47248, 53154, 70872, 75024, 106308, 141744, 212616, 425232, 1538513, 3077026, 4615539, 6154052, 9231078, 12308104, 13846617, 18462156, 24616208, 27693234, 36924312, 55386468, 73848624, 110772936, 221545872]

約数ペア:

[(1, 221545872), (2, 110772936), (3, 73848624), (4, 55386468), (6, 36924312), (8, 27693234), (9, 24616208), (12, 18462156), (16, 13846617), (18, 12308104), (24, 9231078), (36, 6154052), (48, 4615539), (72, 3077026), (144, 1538513), (521, 425232), (1042, 212616), (1563, 141744), (2084, 106308), (2953, 75024), (3126, 70872), (4168, 53154), (4689, 47248), (5906, 37512), (6252, 35436), (8336, 26577), (8859, 25008), (9378, 23624), (11812, 18756), (12504, 17718)]