638245001025

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{63629}}^1$

素因数の和:64163

約数の個数: 72

約数和(自身を含む): 1156494339000

約数和(自身を除く): 518249337975

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 409, 545, 981, 1227, 1635, 2045, 2725, 3681, 4905, 6135, 8175, 10225, 18405, 24525, 30675, 44581, 63629, 92025, 133743, 190887, 222905, 318145, 401229, 572661, 668715, 954435, 1114525, 1590725, 2006145, 2863305, 3343575, 4772175, 6935561, 10030725, 14316525, 20806683, 26024261, 34677805, 62420049, 78072783, 104033415, 130121305, 173389025, 234218349, 312100245, 390363915, 520167075, 650606525, 1171091745, 1560501225, 1951819575, 2836644449, 5855458725, 8509933347, 14183222245, 25529800041, 42549666735, 70916111225, 127649000205, 212748333675, 638245001025]

約数ペア:

[(1, 638245001025), (3, 212748333675), (5, 127649000205), (9, 70916111225), (15, 42549666735), (25, 25529800041), (45, 14183222245), (75, 8509933347), (109, 5855458725), (225, 2836644449), (327, 1951819575), (409, 1560501225), (545, 1171091745), (981, 650606525), (1227, 520167075), (1635, 390363915), (2045, 312100245), (2725, 234218349), (3681, 173389025), (4905, 130121305), (6135, 104033415), (8175, 78072783), (10225, 62420049), (18405, 34677805), (24525, 26024261), (30675, 20806683), (44581, 14316525), (63629, 10030725), (92025, 6935561), (133743, 4772175), (190887, 3343575), (222905, 2863305), (318145, 2006145), (401229, 1590725), (572661, 1114525), (668715, 954435)]