28291608

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20712

約数の個数: 48

約数和(自身を含む): 80659800

約数和(自身を除く): 52368192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20681, 41362, 62043, 82724, 124086, 165448, 186129, 248172, 372258, 392939, 496344, 744516, 785878, 1178817, 1489032, 1571756, 2357634, 3143512, 3536451, 4715268, 7072902, 9430536, 14145804, 28291608]

約数ペア:

[(1, 28291608), (2, 14145804), (3, 9430536), (4, 7072902), (6, 4715268), (8, 3536451), (9, 3143512), (12, 2357634), (18, 1571756), (19, 1489032), (24, 1178817), (36, 785878), (38, 744516), (57, 496344), (72, 392939), (76, 372258), (114, 248172), (152, 186129), (171, 165448), (228, 124086), (342, 82724), (456, 62043), (684, 41362), (1368, 20681)]