1245953488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2647}}^1$

素因数の和:2772

約数の個数: 80

約数和(自身を含む): 2721381376

約数和(自身を除く): 1475427888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 73, 104, 124, 146, 208, 248, 292, 403, 496, 584, 806, 949, 1168, 1612, 1898, 2263, 2647, 3224, 3796, 4526, 5294, 6448, 7592, 9052, 10588, 15184, 18104, 21176, 29419, 34411, 36208, 42352, 58838, 68822, 82057, 117676, 137644, 164114, 193231, 235352, 275288, 328228, 386462, 470704, 550576, 656456, 772924, 1066741, 1312912, 1545848, 2133482, 2512003, 3091696, 4266964, 5024006, 5990161, 8533928, 10048012, 11980322, 17067856, 20096024, 23960644, 40192048, 47921288, 77872093, 95842576, 155744186, 311488372, 622976744, 1245953488]

約数ペア:

[(1, 1245953488), (2, 622976744), (4, 311488372), (8, 155744186), (13, 95842576), (16, 77872093), (26, 47921288), (31, 40192048), (52, 23960644), (62, 20096024), (73, 17067856), (104, 11980322), (124, 10048012), (146, 8533928), (208, 5990161), (248, 5024006), (292, 4266964), (403, 3091696), (496, 2512003), (584, 2133482), (806, 1545848), (949, 1312912), (1168, 1066741), (1612, 772924), (1898, 656456), (2263, 550576), (2647, 470704), (3224, 386462), (3796, 328228), (4526, 275288), (5294, 235352), (6448, 193231), (7592, 164114), (9052, 137644), (10588, 117676), (15184, 82057), (18104, 68822), (21176, 58838), (29419, 42352), (34411, 36208)]