123798558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 280691712

約数和(自身を除く): 156893154

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 151, 299, 302, 453, 457, 598, 897, 906, 914, 1371, 1794, 1963, 2742, 3473, 3926, 5889, 5941, 6946, 10419, 10511, 11778, 11882, 17823, 20838, 21022, 31533, 35646, 45149, 63066, 69007, 90298, 135447, 136643, 138014, 207021, 270894, 273286, 409929, 414042, 819858, 897091, 1587161, 1794182, 2691273, 3174322, 4761483, 5382546, 9522966, 20633093, 41266186, 61899279, 123798558]

約数ペア:

[(1, 123798558), (2, 61899279), (3, 41266186), (6, 20633093), (13, 9522966), (23, 5382546), (26, 4761483), (39, 3174322), (46, 2691273), (69, 1794182), (78, 1587161), (138, 897091), (151, 819858), (299, 414042), (302, 409929), (453, 273286), (457, 270894), (598, 207021), (897, 138014), (906, 136643), (914, 135447), (1371, 90298), (1794, 69007), (1963, 63066), (2742, 45149), (3473, 35646), (3926, 31533), (5889, 21022), (5941, 20838), (6946, 17823), (10419, 11882), (10511, 11778)]