8023405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 11267424

約数和(自身を除く): 3244019

約数列:

[1, 5, 13, 17, 53, 65, 85, 137, 221, 265, 685, 689, 901, 1105, 1781, 2329, 3445, 4505, 7261, 8905, 11645, 11713, 30277, 36305, 58565, 94393, 123437, 151385, 471965, 617185, 1604681, 8023405]

約数ペア:

[(1, 8023405), (5, 1604681), (13, 617185), (17, 471965), (53, 151385), (65, 123437), (85, 94393), (137, 58565), (221, 36305), (265, 30277), (685, 11713), (689, 11645), (901, 8905), (1105, 7261), (1781, 4505), (2329, 3445)]