620197978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1\times {\mathrm{4289}}^1$

素因数の和:8561

約数の個数: 16

約数和(自身を含む): 985481640

約数和(自身を除く): 365283662

約数列:

[1, 2, 17, 34, 4253, 4289, 8506, 8578, 72301, 72913, 144602, 145826, 18241117, 36482234, 310098989, 620197978]

約数ペア:

[(1, 620197978), (2, 310098989), (17, 36482234), (34, 18241117), (4253, 145826), (4289, 144602), (8506, 72913), (8578, 72301)]