221511296168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1457311159}}^1$

素因数の和:1457311184

約数の個数: 16

約数和(自身を含む): 437193348000

約数和(自身を除く): 215682051832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1457311159, 2914622318, 5829244636, 11658489272, 27688912021, 55377824042, 110755648084, 221511296168]

約数ペア:

[(1, 221511296168), (2, 110755648084), (4, 55377824042), (8, 27688912021), (19, 11658489272), (38, 5829244636), (76, 2914622318), (152, 1457311159)]