81021948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18199}}^1$

素因数の和:18266

約数の個数: 48

約数和(自身を含む): 220147200

約数和(自身を除く): 139125252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 18199, 36398, 54597, 72796, 109194, 127393, 218388, 254786, 382179, 509572, 764358, 964547, 1528716, 1929094, 2893641, 3858188, 5787282, 6751829, 11574564, 13503658, 20255487, 27007316, 40510974, 81021948]

約数ペア:

[(1, 81021948), (2, 40510974), (3, 27007316), (4, 20255487), (6, 13503658), (7, 11574564), (12, 6751829), (14, 5787282), (21, 3858188), (28, 2893641), (42, 1929094), (53, 1528716), (84, 964547), (106, 764358), (159, 509572), (212, 382179), (318, 254786), (371, 218388), (636, 127393), (742, 109194), (1113, 72796), (1484, 54597), (2226, 36398), (4452, 18199)]