80339588

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 164586240

約数和(自身を除く): 84246652

約数列:

[1, 2, 4, 7, 14, 28, 89, 103, 178, 206, 313, 356, 412, 623, 626, 721, 1246, 1252, 1442, 2191, 2492, 2884, 4382, 8764, 9167, 18334, 27857, 32239, 36668, 55714, 64169, 64478, 111428, 128338, 128956, 194999, 225673, 256676, 389998, 451346, 779996, 902692, 2869271, 5738542, 11477084, 20084897, 40169794, 80339588]

約数ペア:

[(1, 80339588), (2, 40169794), (4, 20084897), (7, 11477084), (14, 5738542), (28, 2869271), (89, 902692), (103, 779996), (178, 451346), (206, 389998), (313, 256676), (356, 225673), (412, 194999), (623, 128956), (626, 128338), (721, 111428), (1246, 64478), (1252, 64169), (1442, 55714), (2191, 36668), (2492, 32239), (2884, 27857), (4382, 18334), (8764, 9167)]