641019312

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{27997}}^1$

素因数の和:28067

約数の個数: 80

約数和(自身を含む): 1874746080

約数和(自身を除く): 1233726768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 954, 1272, 1431, 1908, 2544, 2862, 3816, 5724, 7632, 11448, 22896, 27997, 55994, 83991, 111988, 167982, 223976, 251973, 335964, 447952, 503946, 671928, 755919, 1007892, 1343856, 1483841, 1511838, 2015784, 2967682, 3023676, 4031568, 4451523, 5935364, 6047352, 8903046, 11870728, 12094704, 13354569, 17806092, 23741456, 26709138, 35612184, 40063707, 53418276, 71224368, 80127414, 106836552, 160254828, 213673104, 320509656, 641019312]

約数ペア:

[(1, 641019312), (2, 320509656), (3, 213673104), (4, 160254828), (6, 106836552), (8, 80127414), (9, 71224368), (12, 53418276), (16, 40063707), (18, 35612184), (24, 26709138), (27, 23741456), (36, 17806092), (48, 13354569), (53, 12094704), (54, 11870728), (72, 8903046), (106, 6047352), (108, 5935364), (144, 4451523), (159, 4031568), (212, 3023676), (216, 2967682), (318, 2015784), (424, 1511838), (432, 1483841), (477, 1343856), (636, 1007892), (848, 755919), (954, 671928), (1272, 503946), (1431, 447952), (1908, 335964), (2544, 251973), (2862, 223976), (3816, 167982), (5724, 111988), (7632, 83991), (11448, 55994), (22896, 27997)]