1816512815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{1693}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 2489610816

約数和(自身を除く): 673098001

約数列:

[1, 5, 13, 17, 65, 85, 221, 971, 1105, 1693, 4855, 8465, 12623, 16507, 22009, 28781, 63115, 82535, 110045, 143905, 214591, 374153, 1072955, 1643903, 1870765, 8219515, 21370739, 27946351, 106853695, 139731755, 363302563, 1816512815]

約数ペア:

[(1, 1816512815), (5, 363302563), (13, 139731755), (17, 106853695), (65, 27946351), (85, 21370739), (221, 8219515), (971, 1870765), (1105, 1643903), (1693, 1072955), (4855, 374153), (8465, 214591), (12623, 143905), (16507, 110045), (22009, 82535), (28781, 63115)]