399245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 642816

約数和(自身を除く): 243571

約数列:

[1, 5, 7, 11, 17, 35, 55, 61, 77, 85, 119, 187, 305, 385, 427, 595, 671, 935, 1037, 1309, 2135, 3355, 4697, 5185, 6545, 7259, 11407, 23485, 36295, 57035, 79849, 399245]

約数ペア:

[(1, 399245), (5, 79849), (7, 57035), (11, 36295), (17, 23485), (35, 11407), (55, 7259), (61, 6545), (77, 5185), (85, 4697), (119, 3355), (187, 2135), (305, 1309), (385, 1037), (427, 935), (595, 671)]