8640478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2992

約数の個数: 32

約数和(自身を含む): 17015040

約数和(自身を除く): 8374562

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 2953, 5906, 20671, 32483, 41342, 56107, 64966, 112214, 227381, 392749, 454762, 617177, 785498, 1234354, 4320239, 8640478]

約数ペア:

[(1, 8640478), (2, 4320239), (7, 1234354), (11, 785498), (14, 617177), (19, 454762), (22, 392749), (38, 227381), (77, 112214), (133, 64966), (154, 56107), (209, 41342), (266, 32483), (418, 20671), (1463, 5906), (2926, 2953)]