64249990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10313}}^1$

素因数の和:10416

約数の個数: 32

約数和(自身を含む): 133669440

約数和(自身を除く): 69419450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 10313, 20626, 51565, 72191, 103130, 144382, 360955, 721910, 917857, 1835714, 4589285, 6424999, 9178570, 12849998, 32124995, 64249990]

約数ペア:

[(1, 64249990), (2, 32124995), (5, 12849998), (7, 9178570), (10, 6424999), (14, 4589285), (35, 1835714), (70, 917857), (89, 721910), (178, 360955), (445, 144382), (623, 103130), (890, 72191), (1246, 51565), (3115, 20626), (6230, 10313)]