669704749

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 840499200

約数和(自身を除く): 170794451

約数列:

[1, 7, 17, 31, 119, 217, 379, 479, 527, 2653, 3353, 3689, 6443, 8143, 11749, 14849, 45101, 57001, 82243, 103943, 181541, 199733, 252433, 1270787, 1398131, 1767031, 3086197, 5627771, 21603379, 39394397, 95672107, 669704749]

約数ペア:

[(1, 669704749), (7, 95672107), (17, 39394397), (31, 21603379), (119, 5627771), (217, 3086197), (379, 1767031), (479, 1398131), (527, 1270787), (2653, 252433), (3353, 199733), (3689, 181541), (6443, 103943), (8143, 82243), (11749, 57001), (14849, 45101)]