289399306

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{2069}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 506338560

約数和(自身を除く): 216939254

約数列:

[1, 2, 7, 14, 97, 103, 194, 206, 679, 721, 1358, 1442, 2069, 4138, 9991, 14483, 19982, 28966, 69937, 139874, 200693, 213107, 401386, 426214, 1404851, 1491749, 2809702, 2983498, 20671379, 41342758, 144699653, 289399306]

約数ペア:

[(1, 289399306), (2, 144699653), (7, 41342758), (14, 20671379), (97, 2983498), (103, 2809702), (194, 1491749), (206, 1404851), (679, 426214), (721, 401386), (1358, 213107), (1442, 200693), (2069, 139874), (4138, 69937), (9991, 28966), (14483, 19982)]