1971094528

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:859

約数の個数: 88

約数和(自身を含む): 4267061568

約数和(自身を除く): 2295967040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 263, 416, 512, 526, 563, 832, 1024, 1052, 1126, 1664, 2104, 2252, 3328, 3419, 4208, 4504, 6656, 6838, 7319, 8416, 9008, 13312, 13676, 14638, 16832, 18016, 27352, 29276, 33664, 36032, 54704, 58552, 67328, 72064, 109408, 117104, 134656, 144128, 148069, 218816, 234208, 269312, 288256, 296138, 437632, 468416, 576512, 592276, 875264, 936832, 1184552, 1750528, 1873664, 1924897, 2369104, 3501056, 3747328, 3849794, 4738208, 7494656, 7699588, 9476416, 15399176, 18952832, 30798352, 37905664, 61596704, 75811328, 123193408, 151622656, 246386816, 492773632, 985547264, 1971094528]

約数ペア:

[(1, 1971094528), (2, 985547264), (4, 492773632), (8, 246386816), (13, 151622656), (16, 123193408), (26, 75811328), (32, 61596704), (52, 37905664), (64, 30798352), (104, 18952832), (128, 15399176), (208, 9476416), (256, 7699588), (263, 7494656), (416, 4738208), (512, 3849794), (526, 3747328), (563, 3501056), (832, 2369104), (1024, 1924897), (1052, 1873664), (1126, 1750528), (1664, 1184552), (2104, 936832), (2252, 875264), (3328, 592276), (3419, 576512), (4208, 468416), (4504, 437632), (6656, 296138), (6838, 288256), (7319, 269312), (8416, 234208), (9008, 218816), (13312, 148069), (13676, 144128), (14638, 134656), (16832, 117104), (18016, 109408), (27352, 72064), (29276, 67328), (33664, 58552), (36032, 54704)]