256656542675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{115337}}^1$

素因数の和:115568

約数の個数: 48

約数和(自身を含む): 353200018752

約数和(自身を除く): 96543476077

約数列:

[1, 5, 13, 25, 41, 65, 167, 205, 325, 533, 835, 1025, 2171, 2665, 4175, 6847, 10855, 13325, 34235, 54275, 89011, 115337, 171175, 445055, 576685, 1499381, 2225275, 2883425, 4728817, 7496905, 19261279, 23644085, 37484525, 61474621, 96306395, 118220425, 250396627, 307373105, 481531975, 789712439, 1251983135, 1536865525, 3948562195, 6259915675, 10266261707, 19742810975, 51331308535, 256656542675]

約数ペア:

[(1, 256656542675), (5, 51331308535), (13, 19742810975), (25, 10266261707), (41, 6259915675), (65, 3948562195), (167, 1536865525), (205, 1251983135), (325, 789712439), (533, 481531975), (835, 307373105), (1025, 250396627), (2171, 118220425), (2665, 96306395), (4175, 61474621), (6847, 37484525), (10855, 23644085), (13325, 19261279), (34235, 7496905), (54275, 4728817), (89011, 2883425), (115337, 2225275), (171175, 1499381), (445055, 576685)]