171721984

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1213}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 397026560

約数和(自身を除く): 225304576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 1106, 1213, 1264, 1792, 2212, 2426, 2528, 4424, 4852, 5056, 8491, 8848, 9704, 10112, 16982, 17696, 19408, 20224, 33964, 35392, 38816, 67928, 70784, 77632, 95827, 135856, 141568, 155264, 191654, 271712, 310528, 383308, 543424, 670789, 766616, 1086848, 1341578, 1533232, 2173696, 2683156, 3066464, 5366312, 6132928, 10732624, 12265856, 21465248, 24531712, 42930496, 85860992, 171721984]

約数ペア:

[(1, 171721984), (2, 85860992), (4, 42930496), (7, 24531712), (8, 21465248), (14, 12265856), (16, 10732624), (28, 6132928), (32, 5366312), (56, 3066464), (64, 2683156), (79, 2173696), (112, 1533232), (128, 1341578), (158, 1086848), (224, 766616), (256, 670789), (316, 543424), (448, 383308), (553, 310528), (632, 271712), (896, 191654), (1106, 155264), (1213, 141568), (1264, 135856), (1792, 95827), (2212, 77632), (2426, 70784), (2528, 67928), (4424, 38816), (4852, 35392), (5056, 33964), (8491, 20224), (8848, 19408), (9704, 17696), (10112, 16982)]