201831395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 73957405

約数列:

[1, 5, 17, 19, 47, 85, 95, 235, 323, 799, 893, 1615, 2659, 3995, 4465, 13295, 15181, 45203, 50521, 75905, 124973, 226015, 252605, 624865, 858857, 2124541, 2374487, 4294285, 10622705, 11872435, 40366279, 201831395]

約数ペア:

[(1, 201831395), (5, 40366279), (17, 11872435), (19, 10622705), (47, 4294285), (85, 2374487), (95, 2124541), (235, 858857), (323, 624865), (799, 252605), (893, 226015), (1615, 124973), (2659, 75905), (3995, 50521), (4465, 45203), (13295, 15181)]