1902304820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7316557}}^1$

素因数の和:7316579

約数の個数: 24

約数和(自身を含む): 4302136104

約数和(自身を除く): 2399831284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7316557, 14633114, 29266228, 36582785, 73165570, 95115241, 146331140, 190230482, 380460964, 475576205, 951152410, 1902304820]

約数ペア:

[(1, 1902304820), (2, 951152410), (4, 475576205), (5, 380460964), (10, 190230482), (13, 146331140), (20, 95115241), (26, 73165570), (52, 36582785), (65, 29266228), (130, 14633114), (260, 7316557)]