1320287906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^2$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 2392827264

約数和(自身を除く): 1072539358

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 173, 274, 322, 346, 959, 1211, 1918, 2422, 3151, 3979, 6302, 7958, 22057, 23701, 27853, 29929, 44114, 47402, 55706, 59858, 165907, 209503, 331814, 419006, 545123, 688367, 1090246, 1376734, 3815861, 4100273, 4818569, 7631722, 8200546, 9637138, 28701911, 57403822, 94306279, 188612558, 660143953, 1320287906]

約数ペア:

[(1, 1320287906), (2, 660143953), (7, 188612558), (14, 94306279), (23, 57403822), (46, 28701911), (137, 9637138), (161, 8200546), (173, 7631722), (274, 4818569), (322, 4100273), (346, 3815861), (959, 1376734), (1211, 1090246), (1918, 688367), (2422, 545123), (3151, 419006), (3979, 331814), (6302, 209503), (7958, 165907), (22057, 59858), (23701, 55706), (27853, 47402), (29929, 44114)]