221127654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{47189}}^1$

素因数の和:47276

約数の個数: 32

約数和(自身を含む): 489265920

約数和(自身を除く): 268138266

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 47189, 94378, 141567, 283134, 519079, 1038158, 1557237, 3114474, 3350419, 6700838, 10051257, 20102514, 36854609, 73709218, 110563827, 221127654]

約数ペア:

[(1, 221127654), (2, 110563827), (3, 73709218), (6, 36854609), (11, 20102514), (22, 10051257), (33, 6700838), (66, 3350419), (71, 3114474), (142, 1557237), (213, 1038158), (426, 519079), (781, 283134), (1562, 141567), (2343, 94378), (4686, 47189)]