1247821856

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{639253}}^1$

素因数の和:639324

約数の個数: 24

約数和(自身を含む): 2496926124

約数和(自身を除く): 1249104268

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 639253, 1278506, 2557012, 5114024, 10228048, 20456096, 38994433, 77988866, 155977732, 311955464, 623910928, 1247821856]

約数ペア:

[(1, 1247821856), (2, 623910928), (4, 311955464), (8, 155977732), (16, 77988866), (32, 38994433), (61, 20456096), (122, 10228048), (244, 5114024), (488, 2557012), (976, 1278506), (1952, 639253)]