161723146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 269982720

約数和(自身を除く): 108259574

約数列:

[1, 2, 13, 26, 47, 89, 94, 178, 611, 1157, 1222, 1487, 2314, 2974, 4183, 8366, 19331, 38662, 54379, 69889, 108758, 132343, 139778, 264686, 908557, 1720459, 1817114, 3440918, 6220121, 12440242, 80861573, 161723146]

約数ペア:

[(1, 161723146), (2, 80861573), (13, 12440242), (26, 6220121), (47, 3440918), (89, 1817114), (94, 1720459), (178, 908557), (611, 264686), (1157, 139778), (1222, 132343), (1487, 108758), (2314, 69889), (2974, 54379), (4183, 38662), (8366, 19331)]