391828788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15797}}^1$

素因数の和:15873

約数の個数: 72

約数和(自身を含む): 1086839208

約数和(自身を除く): 695010420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 12402, 15797, 24804, 31594, 47391, 63188, 94782, 142173, 189564, 205361, 284346, 410722, 568692, 616083, 821444, 837241, 1232166, 1674482, 1848249, 2464332, 2511723, 3348964, 3696498, 5023446, 7392996, 7535169, 10046892, 10884133, 15070338, 21768266, 30140676, 32652399, 43536532, 65304798, 97957197, 130609596, 195914394, 391828788]

約数ペア:

[(1, 391828788), (2, 195914394), (3, 130609596), (4, 97957197), (6, 65304798), (9, 43536532), (12, 32652399), (13, 30140676), (18, 21768266), (26, 15070338), (36, 10884133), (39, 10046892), (52, 7535169), (53, 7392996), (78, 5023446), (106, 3696498), (117, 3348964), (156, 2511723), (159, 2464332), (212, 1848249), (234, 1674482), (318, 1232166), (468, 837241), (477, 821444), (636, 616083), (689, 568692), (954, 410722), (1378, 284346), (1908, 205361), (2067, 189564), (2756, 142173), (4134, 94782), (6201, 63188), (8268, 47391), (12402, 31594), (15797, 24804)]