28971992

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5813}}^1$

素因数の和:5915

約数の個数: 32

約数和(自身を含む): 62791200

約数和(自身を除く): 33819208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 5813, 11626, 23252, 40691, 46504, 81382, 162764, 325528, 517357, 1034714, 2069428, 3621499, 4138856, 7242998, 14485996, 28971992]

約数ペア:

[(1, 28971992), (2, 14485996), (4, 7242998), (7, 4138856), (8, 3621499), (14, 2069428), (28, 1034714), (56, 517357), (89, 325528), (178, 162764), (356, 81382), (623, 46504), (712, 40691), (1246, 23252), (2492, 11626), (4984, 5813)]