251196804

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{78401}}^1$

素因数の和:78500

約数の個数: 36

約数和(自身を含む): 642112380

約数和(自身を除く): 390915576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 78401, 156802, 235203, 313604, 470406, 705609, 940812, 1411218, 2822436, 6977689, 13955378, 20933067, 27910756, 41866134, 62799201, 83732268, 125598402, 251196804]

約数ペア:

[(1, 251196804), (2, 125598402), (3, 83732268), (4, 62799201), (6, 41866134), (9, 27910756), (12, 20933067), (18, 13955378), (36, 6977689), (89, 2822436), (178, 1411218), (267, 940812), (356, 705609), (534, 470406), (801, 313604), (1068, 235203), (1602, 156802), (3204, 78401)]