28291224

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90677}}^1$

素因数の和:90699

約数の個数: 32

約数和(自身を含む): 76169520

約数和(自身を除く): 47878296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90677, 181354, 272031, 362708, 544062, 725416, 1088124, 1178801, 2176248, 2357602, 3536403, 4715204, 7072806, 9430408, 14145612, 28291224]

約数ペア:

[(1, 28291224), (2, 14145612), (3, 9430408), (4, 7072806), (6, 4715204), (8, 3536403), (12, 2357602), (13, 2176248), (24, 1178801), (26, 1088124), (39, 725416), (52, 544062), (78, 362708), (104, 272031), (156, 181354), (312, 90677)]