128201316

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81553}}^1$

素因数の和:81691

約数の個数: 24

約数和(自身を含む): 301423584

約数和(自身を除く): 173222268

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 81553, 163106, 244659, 326212, 489318, 978636, 10683443, 21366886, 32050329, 42733772, 64100658, 128201316]

約数ペア:

[(1, 128201316), (2, 64100658), (3, 42733772), (4, 32050329), (6, 21366886), (12, 10683443), (131, 978636), (262, 489318), (393, 326212), (524, 244659), (786, 163106), (1572, 81553)]