397474292

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{8269}}^1$

素因数の和:8531

約数の個数: 24

約数和(自身を含む): 710657640

約数和(自身を除く): 313183348

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 788, 8269, 12017, 16538, 24034, 33076, 48068, 504409, 1008818, 1628993, 2017636, 3257986, 6515972, 99368573, 198737146, 397474292]

約数ペア:

[(1, 397474292), (2, 198737146), (4, 99368573), (61, 6515972), (122, 3257986), (197, 2017636), (244, 1628993), (394, 1008818), (788, 504409), (8269, 48068), (12017, 33076), (16538, 24034)]