28509858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1763

約数の個数: 48

約数和(自身を含む): 67474680

約数和(自身を除く): 38964822

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1314, 1669, 1898, 2847, 3338, 5007, 5694, 8541, 10014, 15021, 17082, 21697, 30042, 43394, 65091, 121837, 130182, 195273, 243674, 365511, 390546, 731022, 1096533, 1583881, 2193066, 3167762, 4751643, 9503286, 14254929, 28509858]

約数ペア:

[(1, 28509858), (2, 14254929), (3, 9503286), (6, 4751643), (9, 3167762), (13, 2193066), (18, 1583881), (26, 1096533), (39, 731022), (73, 390546), (78, 365511), (117, 243674), (146, 195273), (219, 130182), (234, 121837), (438, 65091), (657, 43394), (949, 30042), (1314, 21697), (1669, 17082), (1898, 15021), (2847, 10014), (3338, 8541), (5007, 5694)]