16651836

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 44588544

約数和(自身を除く): 27936708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 347, 372, 387, 516, 558, 694, 774, 1041, 1116, 1333, 1388, 1548, 2082, 2666, 3123, 3999, 4164, 5332, 6246, 7998, 10757, 11997, 12492, 14921, 15996, 21514, 23994, 29842, 32271, 43028, 44763, 47988, 59684, 64542, 89526, 96813, 129084, 134289, 179052, 193626, 268578, 387252, 462551, 537156, 925102, 1387653, 1850204, 2775306, 4162959, 5550612, 8325918, 16651836]

約数ペア:

[(1, 16651836), (2, 8325918), (3, 5550612), (4, 4162959), (6, 2775306), (9, 1850204), (12, 1387653), (18, 925102), (31, 537156), (36, 462551), (43, 387252), (62, 268578), (86, 193626), (93, 179052), (124, 134289), (129, 129084), (172, 96813), (186, 89526), (258, 64542), (279, 59684), (347, 47988), (372, 44763), (387, 43028), (516, 32271), (558, 29842), (694, 23994), (774, 21514), (1041, 15996), (1116, 14921), (1333, 12492), (1388, 11997), (1548, 10757), (2082, 7998), (2666, 6246), (3123, 5332), (3999, 4164)]