216752008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{12503}}^1$

素因数の和:12717

約数の個数: 32

約数和(自身を含む): 445642560

約数和(自身を除く): 228890552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 788, 1576, 2167, 4334, 8668, 12503, 17336, 25006, 50012, 100024, 137533, 275066, 550132, 1100264, 2463091, 4926182, 9852364, 19704728, 27094001, 54188002, 108376004, 216752008]

約数ペア:

[(1, 216752008), (2, 108376004), (4, 54188002), (8, 27094001), (11, 19704728), (22, 9852364), (44, 4926182), (88, 2463091), (197, 1100264), (394, 550132), (788, 275066), (1576, 137533), (2167, 100024), (4334, 50012), (8668, 25006), (12503, 17336)]