991267812

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{451397}}^1$

素因数の和:451468

約数の個数: 36

約数和(自身を含む): 2546787516

約数和(自身を除く): 1555519704

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 451397, 902794, 1354191, 1805588, 2708382, 4062573, 5416764, 8125146, 16250292, 27535217, 55070434, 82605651, 110140868, 165211302, 247816953, 330422604, 495633906, 991267812]

約数ペア:

[(1, 991267812), (2, 495633906), (3, 330422604), (4, 247816953), (6, 165211302), (9, 110140868), (12, 82605651), (18, 55070434), (36, 27535217), (61, 16250292), (122, 8125146), (183, 5416764), (244, 4062573), (366, 2708382), (549, 1805588), (732, 1354191), (1098, 902794), (2196, 451397)]