205159612

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 429649920

約数和(自身を除く): 224490308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 434, 497, 868, 994, 1988, 2201, 3329, 4402, 6658, 8804, 13316, 15407, 23303, 30814, 46606, 61628, 93212, 103199, 206398, 236359, 412796, 472718, 722393, 945436, 1444786, 1654513, 2889572, 3309026, 6618052, 7327129, 14654258, 29308516, 51289903, 102579806, 205159612]

約数ペア:

[(1, 205159612), (2, 102579806), (4, 51289903), (7, 29308516), (14, 14654258), (28, 7327129), (31, 6618052), (62, 3309026), (71, 2889572), (124, 1654513), (142, 1444786), (217, 945436), (284, 722393), (434, 472718), (497, 412796), (868, 236359), (994, 206398), (1988, 103199), (2201, 93212), (3329, 61628), (4402, 46606), (6658, 30814), (8804, 23303), (13316, 15407)]