81716896

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 167718600

約数和(自身を除く): 86001704

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 173, 232, 346, 464, 509, 692, 928, 1018, 1384, 2036, 2768, 4072, 5017, 5536, 8144, 10034, 14761, 16288, 20068, 29522, 40136, 59044, 80272, 88057, 118088, 160544, 176114, 236176, 352228, 472352, 704456, 1408912, 2553653, 2817824, 5107306, 10214612, 20429224, 40858448, 81716896]

約数ペア:

[(1, 81716896), (2, 40858448), (4, 20429224), (8, 10214612), (16, 5107306), (29, 2817824), (32, 2553653), (58, 1408912), (116, 704456), (173, 472352), (232, 352228), (346, 236176), (464, 176114), (509, 160544), (692, 118088), (928, 88057), (1018, 80272), (1384, 59044), (2036, 40136), (2768, 29522), (4072, 20068), (5017, 16288), (5536, 14761), (8144, 10034)]