668824618

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 1298131200

約数和(自身を除く): 629306582

約数列:

[1, 2, 7, 11, 14, 22, 49, 61, 77, 98, 122, 154, 343, 427, 539, 671, 686, 854, 1078, 1342, 1453, 2906, 2989, 3773, 4697, 5978, 7546, 9394, 10171, 15983, 20342, 20923, 31966, 32879, 41846, 65758, 71197, 88633, 111881, 142394, 177266, 223762, 230153, 460306, 498379, 620431, 783167, 974963, 996758, 1240862, 1566334, 1949926, 4343017, 5482169, 6824741, 8686034, 10964338, 13649482, 30401119, 47773187, 60802238, 95546374, 334412309, 668824618]

約数ペア:

[(1, 668824618), (2, 334412309), (7, 95546374), (11, 60802238), (14, 47773187), (22, 30401119), (49, 13649482), (61, 10964338), (77, 8686034), (98, 6824741), (122, 5482169), (154, 4343017), (343, 1949926), (427, 1566334), (539, 1240862), (671, 996758), (686, 974963), (854, 783167), (1078, 620431), (1342, 498379), (1453, 460306), (2906, 230153), (2989, 223762), (3773, 177266), (4697, 142394), (5978, 111881), (7546, 88633), (9394, 71197), (10171, 65758), (15983, 41846), (20342, 32879), (20923, 31966)]