1640389976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{44839}}^1$

素因数の和:45131

約数の個数: 32

約数和(自身を含む): 3268836000

約数和(自身を除く): 1628446024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 269, 538, 1076, 2152, 4573, 9146, 18292, 36584, 44839, 89678, 179356, 358712, 762263, 1524526, 3049052, 6098104, 12061691, 24123382, 48246764, 96493528, 205048747, 410097494, 820194988, 1640389976]

約数ペア:

[(1, 1640389976), (2, 820194988), (4, 410097494), (8, 205048747), (17, 96493528), (34, 48246764), (68, 24123382), (136, 12061691), (269, 6098104), (538, 3049052), (1076, 1524526), (2152, 762263), (4573, 358712), (9146, 179356), (18292, 89678), (36584, 44839)]