2155447

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 505673

約数列:

[1, 7, 17, 59, 119, 307, 413, 1003, 2149, 5219, 7021, 18113, 36533, 126791, 307921, 2155447]

約数ペア:

[(1, 2155447), (7, 307921), (17, 126791), (59, 36533), (119, 18113), (307, 7021), (413, 5219), (1003, 2149)]