28960778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2113}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 54794880

約数和(自身を除く): 25834102

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1958, 2113, 4226, 6853, 13706, 14791, 23243, 29582, 46486, 162701, 188057, 325402, 376114, 1316399, 2068627, 2632798, 4137254, 14480389, 28960778]

約数ペア:

[(1, 28960778), (2, 14480389), (7, 4137254), (11, 2632798), (14, 2068627), (22, 1316399), (77, 376114), (89, 325402), (154, 188057), (178, 162701), (623, 46486), (979, 29582), (1246, 23243), (1958, 14791), (2113, 13706), (4226, 6853)]