8120198

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:823

約数の個数: 16

約数和(自身を含む): 12521520

約数和(自身を除く): 4401322

約数列:

[1, 2, 61, 101, 122, 202, 659, 1318, 6161, 12322, 40199, 66559, 80398, 133118, 4060099, 8120198]

約数ペア:

[(1, 8120198), (2, 4060099), (61, 133118), (101, 80398), (122, 66559), (202, 40199), (659, 12322), (1318, 6161)]