28743661.000000000

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1621}}^1$

素因数の和:2237

約数の個数: 72

約数和(自身を含む): 708489600

約数和(自身を除く): 463802892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 599, 1198, 1621, 1797, 2396, 3242, 3594, 4193, 4863, 5391, 6484, 7188, 8386, 9726, 10782, 11347, 12579, 14589, 16772, 19452, 21564, 22694, 25158, 29178, 34041, 37737, 45388, 50316, 58356, 68082, 75474, 102123, 136164, 150948, 204246, 408492, 970979, 1941958, 2912937, 3883916, 5825874, 6796853, 8738811, 11651748, 13593706, 17477622, 20390559, 27187412, 34955244, 40781118, 61171677, 81562236, 122343354, 244686708]

約数ペア:

[(1, 244686708), (2, 122343354), (3, 81562236), (4, 61171677), (6, 40781118), (7, 34955244), (9, 27187412), (12, 20390559), (14, 17477622), (18, 13593706), (21, 11651748), (28, 8738811), (36, 6796853), (42, 5825874), (63, 3883916), (84, 2912937), (126, 1941958), (252, 970979), (599, 408492), (1198, 204246), (1621, 150948), (1797, 136164), (2396, 102123), (3242, 75474), (3594, 68082), (4193, 58356), (4863, 50316), (5391, 45388), (6484, 37737), (7188, 34041), (8386, 29178), (9726, 25158), (10782, 22694), (11347, 21564), (12579, 19452), (14589, 16772)]