28890668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 55292160

約数和(自身を除く): 26401492

約数列:

[1, 2, 4, 23, 43, 46, 67, 86, 92, 109, 134, 172, 218, 268, 436, 989, 1541, 1978, 2507, 2881, 3082, 3956, 4687, 5014, 5762, 6164, 7303, 9374, 10028, 11524, 14606, 18748, 29212, 66263, 107801, 132526, 167969, 215602, 265052, 314029, 335938, 431204, 628058, 671876, 1256116, 7222667, 14445334, 28890668]

約数ペア:

[(1, 28890668), (2, 14445334), (4, 7222667), (23, 1256116), (43, 671876), (46, 628058), (67, 431204), (86, 335938), (92, 314029), (109, 265052), (134, 215602), (172, 167969), (218, 132526), (268, 107801), (436, 66263), (989, 29212), (1541, 18748), (1978, 14606), (2507, 11524), (2881, 10028), (3082, 9374), (3956, 7303), (4687, 6164), (5014, 5762)]