17921431450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1621849}}^1$

素因数の和:1621891

約数の個数: 48

約数和(自身を含む): 38009676600

約数和(自身を除く): 20088245150

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 1621849, 3243698, 8109245, 16218490, 21084037, 27571433, 40546225, 42168074, 55142866, 81092450, 105420185, 137857165, 210840370, 275714330, 358428629, 527100925, 689285825, 716857258, 1054201850, 1378571650, 1792143145, 3584286290, 8960715725, 17921431450]

約数ペア:

[(1, 17921431450), (2, 8960715725), (5, 3584286290), (10, 1792143145), (13, 1378571650), (17, 1054201850), (25, 716857258), (26, 689285825), (34, 527100925), (50, 358428629), (65, 275714330), (85, 210840370), (130, 137857165), (170, 105420185), (221, 81092450), (325, 55142866), (425, 42168074), (442, 40546225), (650, 27571433), (850, 21084037), (1105, 16218490), (2210, 8109245), (5525, 3243698), (11050, 1621849)]