51216454

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 78517296

約数和(自身を除く): 27300842

約数列:

[1, 2, 61, 122, 197, 394, 2131, 4262, 12017, 24034, 129991, 259982, 419807, 839614, 25608227, 51216454]

約数ペア:

[(1, 51216454), (2, 25608227), (61, 839614), (122, 419807), (197, 259982), (394, 129991), (2131, 24034), (4262, 12017)]