668545956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{1663}}^1$

素因数の和:2545

約数の個数: 72

約数和(自身を含む): 1823144960

約数和(自身を除く): 1154599004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 859, 1663, 1718, 2577, 3326, 3436, 4989, 5154, 6652, 7731, 9978, 10308, 11167, 14967, 15462, 19956, 21619, 22334, 29934, 30924, 33501, 43238, 44668, 59868, 64857, 67002, 86476, 100503, 129714, 134004, 194571, 201006, 259428, 389142, 402012, 778284, 1428517, 2857034, 4285551, 5714068, 8571102, 12856653, 17142204, 18570721, 25713306, 37141442, 51426612, 55712163, 74282884, 111424326, 167136489, 222848652, 334272978, 668545956]

約数ペア:

[(1, 668545956), (2, 334272978), (3, 222848652), (4, 167136489), (6, 111424326), (9, 74282884), (12, 55712163), (13, 51426612), (18, 37141442), (26, 25713306), (36, 18570721), (39, 17142204), (52, 12856653), (78, 8571102), (117, 5714068), (156, 4285551), (234, 2857034), (468, 1428517), (859, 778284), (1663, 402012), (1718, 389142), (2577, 259428), (3326, 201006), (3436, 194571), (4989, 134004), (5154, 129714), (6652, 100503), (7731, 86476), (9978, 67002), (10308, 64857), (11167, 59868), (14967, 44668), (15462, 43238), (19956, 33501), (21619, 30924), (22334, 29934)]