28505168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2287}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 59579520

約数和(自身を除く): 31074352

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 2287, 3116, 4574, 6232, 9148, 12464, 18296, 36592, 43453, 86906, 93767, 173812, 187534, 347624, 375068, 695248, 750136, 1500272, 1781573, 3563146, 7126292, 14252584, 28505168]

約数ペア:

[(1, 28505168), (2, 14252584), (4, 7126292), (8, 3563146), (16, 1781573), (19, 1500272), (38, 750136), (41, 695248), (76, 375068), (82, 347624), (152, 187534), (164, 173812), (304, 93767), (328, 86906), (656, 43453), (779, 36592), (1558, 18296), (2287, 12464), (3116, 9148), (4574, 6232)]