279883996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 584478720

約数和(自身を除く): 304594724

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 356, 434, 623, 868, 1246, 2492, 2759, 3623, 5518, 7246, 11036, 14492, 19313, 25361, 38626, 50722, 77252, 101444, 112313, 224626, 322447, 449252, 644894, 786191, 1289788, 1572382, 2257129, 3144764, 4514258, 9028516, 9995857, 19991714, 39983428, 69970999, 139941998, 279883996]

約数ペア:

[(1, 279883996), (2, 139941998), (4, 69970999), (7, 39983428), (14, 19991714), (28, 9995857), (31, 9028516), (62, 4514258), (89, 3144764), (124, 2257129), (178, 1572382), (217, 1289788), (356, 786191), (434, 644894), (623, 449252), (868, 322447), (1246, 224626), (2492, 112313), (2759, 101444), (3623, 77252), (5518, 50722), (7246, 38626), (11036, 25361), (14492, 19313)]