78879344

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80819}}^1$

素因数の和:80888

約数の個数: 20

約数和(自身を含む): 155336040

約数和(自身を除く): 76456696

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80819, 161638, 323276, 646552, 1293104, 4929959, 9859918, 19719836, 39439672, 78879344]

約数ペア:

[(1, 78879344), (2, 39439672), (4, 19719836), (8, 9859918), (16, 4929959), (61, 1293104), (122, 646552), (244, 323276), (488, 161638), (976, 80819)]