208694590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21991}}^1$

素因数の和:22084

約数の個数: 32

約数和(自身を含む): 410106816

約数和(自身を除く): 201412226

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 21991, 43982, 109955, 219910, 285883, 571766, 1429415, 1605343, 2858830, 3210686, 8026715, 16053430, 20869459, 41738918, 104347295, 208694590]

約数ペア:

[(1, 208694590), (2, 104347295), (5, 41738918), (10, 20869459), (13, 16053430), (26, 8026715), (65, 3210686), (73, 2858830), (130, 1605343), (146, 1429415), (365, 571766), (730, 285883), (949, 219910), (1898, 109955), (4745, 43982), (9490, 21991)]