28406218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{4241}}^1$

素因数の和:4457

約数の個数: 16

約数和(自身を含む): 45355464

約数和(自身を除く): 16949246

約数列:

[1, 2, 17, 34, 197, 394, 3349, 4241, 6698, 8482, 72097, 144194, 835477, 1670954, 14203109, 28406218]

約数ペア:

[(1, 28406218), (2, 14203109), (17, 1670954), (34, 835477), (197, 144194), (394, 72097), (3349, 8482), (4241, 6698)]