72821735

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 104602752

約数和(自身を除く): 31781017

約数列:

[1, 5, 7, 35, 37, 53, 185, 259, 265, 371, 1061, 1295, 1855, 1961, 5305, 7427, 9805, 13727, 37135, 39257, 56233, 68635, 196285, 274799, 281165, 393631, 1373995, 1968155, 2080621, 10403105, 14564347, 72821735]

約数ペア:

[(1, 72821735), (5, 14564347), (7, 10403105), (35, 2080621), (37, 1968155), (53, 1373995), (185, 393631), (259, 281165), (265, 274799), (371, 196285), (1061, 68635), (1295, 56233), (1855, 39257), (1961, 37135), (5305, 13727), (7427, 9805)]