71304610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 72395870

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 79, 106, 130, 131, 158, 262, 265, 395, 530, 655, 689, 790, 1027, 1310, 1378, 1703, 2054, 3406, 3445, 4187, 5135, 6890, 6943, 8374, 8515, 10270, 10349, 13886, 17030, 20698, 20935, 34715, 41870, 51745, 54431, 69430, 90259, 103490, 108862, 134537, 180518, 269074, 272155, 451295, 544310, 548497, 672685, 902590, 1096994, 1345370, 2742485, 5484970, 7130461, 14260922, 35652305, 71304610]

約数ペア:

[(1, 71304610), (2, 35652305), (5, 14260922), (10, 7130461), (13, 5484970), (26, 2742485), (53, 1345370), (65, 1096994), (79, 902590), (106, 672685), (130, 548497), (131, 544310), (158, 451295), (262, 272155), (265, 269074), (395, 180518), (530, 134537), (655, 108862), (689, 103490), (790, 90259), (1027, 69430), (1310, 54431), (1378, 51745), (1703, 41870), (2054, 34715), (3406, 20935), (3445, 20698), (4187, 17030), (5135, 13886), (6890, 10349), (6943, 10270), (8374, 8515)]