261567216

素因数分解:

$2^4\times 3^2\times {\mathrm{1816439}}^1$

素因数の和:1816453

約数の個数: 30

約数和(自身を含む): 732025320

約数和(自身を除く): 470458104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1816439, 3632878, 5449317, 7265756, 10898634, 14531512, 16347951, 21797268, 29063024, 32695902, 43594536, 65391804, 87189072, 130783608, 261567216]

約数ペア:

[(1, 261567216), (2, 130783608), (3, 87189072), (4, 65391804), (6, 43594536), (8, 32695902), (9, 29063024), (12, 21797268), (16, 16347951), (18, 14531512), (24, 10898634), (36, 7265756), (48, 5449317), (72, 3632878), (144, 1816439)]