28276872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90631}}^1$

素因数の和:90653

約数の個数: 32

約数和(自身を含む): 76130880

約数和(自身を除く): 47854008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90631, 181262, 271893, 362524, 543786, 725048, 1087572, 1178203, 2175144, 2356406, 3534609, 4712812, 7069218, 9425624, 14138436, 28276872]

約数ペア:

[(1, 28276872), (2, 14138436), (3, 9425624), (4, 7069218), (6, 4712812), (8, 3534609), (12, 2356406), (13, 2175144), (24, 1178203), (26, 1087572), (39, 725048), (52, 543786), (78, 362524), (104, 271893), (156, 181262), (312, 90631)]