215149984

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3258

約数の個数: 72

約数和(自身を含む): 504348768

約数和(自身を除く): 289198784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 602, 688, 784, 1204, 1376, 1568, 2107, 2408, 3191, 4214, 4816, 6382, 8428, 9632, 12764, 16856, 22337, 25528, 33712, 44674, 51056, 67424, 89348, 102112, 137213, 156359, 178696, 274426, 312718, 357392, 548852, 625436, 714784, 960491, 1097704, 1250872, 1920982, 2195408, 2501744, 3841964, 4390816, 5003488, 6723437, 7683928, 13446874, 15367856, 26893748, 30735712, 53787496, 107574992, 215149984]

約数ペア:

[(1, 215149984), (2, 107574992), (4, 53787496), (7, 30735712), (8, 26893748), (14, 15367856), (16, 13446874), (28, 7683928), (32, 6723437), (43, 5003488), (49, 4390816), (56, 3841964), (86, 2501744), (98, 2195408), (112, 1920982), (172, 1250872), (196, 1097704), (224, 960491), (301, 714784), (344, 625436), (392, 548852), (602, 357392), (688, 312718), (784, 274426), (1204, 178696), (1376, 156359), (1568, 137213), (2107, 102112), (2408, 89348), (3191, 67424), (4214, 51056), (4816, 44674), (6382, 33712), (8428, 25528), (9632, 22337), (12764, 16856)]