421436144

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{66347}}^1$

素因数の和:66752

約数の個数: 20

約数和(自身を含む): 818601624

約数和(自身を除く): 397165480

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 66347, 132694, 265388, 530776, 1061552, 26339759, 52679518, 105359036, 210718072, 421436144]

約数ペア:

[(1, 421436144), (2, 210718072), (4, 105359036), (8, 52679518), (16, 26339759), (397, 1061552), (794, 530776), (1588, 265388), (3176, 132694), (6352, 66347)]