81550204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 157046400

約数和(自身を除く): 75496196

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 163, 227, 326, 454, 551, 652, 908, 1102, 2204, 3097, 4313, 4727, 6194, 6583, 8626, 9454, 12388, 13166, 17252, 18908, 26332, 37001, 74002, 89813, 125077, 148004, 179626, 250154, 359252, 500308, 703019, 1073029, 1406038, 2146058, 2812076, 4292116, 20387551, 40775102, 81550204]

約数ペア:

[(1, 81550204), (2, 40775102), (4, 20387551), (19, 4292116), (29, 2812076), (38, 2146058), (58, 1406038), (76, 1073029), (116, 703019), (163, 500308), (227, 359252), (326, 250154), (454, 179626), (551, 148004), (652, 125077), (908, 89813), (1102, 74002), (2204, 37001), (3097, 26332), (4313, 18908), (4727, 17252), (6194, 13166), (6583, 12388), (8626, 9454)]