666548142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5233}}^1$

素因数の和:5345

約数の個数: 64

約数和(自身を含む): 1519451136

約数和(自身を除く): 852902994

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 138, 142, 213, 299, 426, 598, 897, 923, 1633, 1794, 1846, 2769, 3266, 4899, 5233, 5538, 9798, 10466, 15699, 21229, 31398, 42458, 63687, 68029, 120359, 127374, 136058, 204087, 240718, 361077, 371543, 408174, 722154, 743086, 1114629, 1564667, 2229258, 3129334, 4694001, 4830059, 8545489, 9388002, 9660118, 14490177, 17090978, 25636467, 28980354, 51272934, 111091357, 222182714, 333274071, 666548142]

約数ペア:

[(1, 666548142), (2, 333274071), (3, 222182714), (6, 111091357), (13, 51272934), (23, 28980354), (26, 25636467), (39, 17090978), (46, 14490177), (69, 9660118), (71, 9388002), (78, 8545489), (138, 4830059), (142, 4694001), (213, 3129334), (299, 2229258), (426, 1564667), (598, 1114629), (897, 743086), (923, 722154), (1633, 408174), (1794, 371543), (1846, 361077), (2769, 240718), (3266, 204087), (4899, 136058), (5233, 127374), (5538, 120359), (9798, 68029), (10466, 63687), (15699, 42458), (21229, 31398)]