620942399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3253}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 807200256

約数和(自身を除く): 186257857

約数列:

[1, 7, 11, 37, 67, 77, 259, 407, 469, 737, 2479, 2849, 3253, 5159, 17353, 22771, 27269, 35783, 120361, 190883, 217951, 250481, 842527, 1323971, 1525657, 2397461, 8064187, 9267797, 16782227, 56449309, 88706057, 620942399]

約数ペア:

[(1, 620942399), (7, 88706057), (11, 56449309), (37, 16782227), (67, 9267797), (77, 8064187), (259, 2397461), (407, 1525657), (469, 1323971), (737, 842527), (2479, 250481), (2849, 217951), (3253, 190883), (5159, 120361), (17353, 35783), (22771, 27269)]