6721390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 13154400

約数和(自身を除く): 6433010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 347, 694, 745, 1490, 1735, 1937, 3470, 3874, 4511, 9022, 9685, 19370, 22555, 45110, 51703, 103406, 258515, 517030, 672139, 1344278, 3360695, 6721390]

約数ペア:

[(1, 6721390), (2, 3360695), (5, 1344278), (10, 672139), (13, 517030), (26, 258515), (65, 103406), (130, 51703), (149, 45110), (298, 22555), (347, 19370), (694, 9685), (745, 9022), (1490, 4511), (1735, 3874), (1937, 3470)]