680608988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 1244406240

約数和(自身を除く): 563797252

約数列:

[1, 2, 4, 43, 86, 89, 172, 173, 178, 257, 346, 356, 514, 692, 1028, 3827, 7439, 7654, 11051, 14878, 15308, 15397, 22102, 22873, 29756, 30794, 44204, 44461, 45746, 61588, 88922, 91492, 177844, 662071, 983539, 1324142, 1911823, 1967078, 2648284, 3823646, 3934156, 3957029, 7647292, 7914058, 15828116, 170152247, 340304494, 680608988]

約数ペア:

[(1, 680608988), (2, 340304494), (4, 170152247), (43, 15828116), (86, 7914058), (89, 7647292), (172, 3957029), (173, 3934156), (178, 3823646), (257, 2648284), (346, 1967078), (356, 1911823), (514, 1324142), (692, 983539), (1028, 662071), (3827, 177844), (7439, 91492), (7654, 88922), (11051, 61588), (14878, 45746), (15308, 44461), (15397, 44204), (22102, 30794), (22873, 29756)]