28807246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 48642048

約数和(自身を除く): 19834802

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 347, 403, 694, 806, 1339, 2678, 3193, 4511, 6386, 9022, 10757, 21514, 35741, 41509, 71482, 83018, 139841, 279682, 464633, 929266, 1107971, 2215942, 14403623, 28807246]

約数ペア:

[(1, 28807246), (2, 14403623), (13, 2215942), (26, 1107971), (31, 929266), (62, 464633), (103, 279682), (206, 139841), (347, 83018), (403, 71482), (694, 41509), (806, 35741), (1339, 21514), (2678, 10757), (3193, 9022), (4511, 6386)]