204885978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:2011

約数の個数: 64

約数和(自身を含む): 473278464

約数和(自身を除く): 268392486

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 213, 253, 426, 506, 759, 781, 1518, 1562, 1633, 1901, 2343, 3266, 3802, 4686, 4899, 5703, 9798, 11406, 17963, 20911, 35926, 41822, 43723, 53889, 62733, 87446, 107778, 125466, 131169, 134971, 262338, 269942, 404913, 480953, 809826, 961906, 1442859, 1484681, 2885718, 2969362, 3104333, 4454043, 6208666, 8908086, 9312999, 18625998, 34147663, 68295326, 102442989, 204885978]

約数ペア:

[(1, 204885978), (2, 102442989), (3, 68295326), (6, 34147663), (11, 18625998), (22, 9312999), (23, 8908086), (33, 6208666), (46, 4454043), (66, 3104333), (69, 2969362), (71, 2885718), (138, 1484681), (142, 1442859), (213, 961906), (253, 809826), (426, 480953), (506, 404913), (759, 269942), (781, 262338), (1518, 134971), (1562, 131169), (1633, 125466), (1901, 107778), (2343, 87446), (3266, 62733), (3802, 53889), (4686, 43723), (4899, 41822), (5703, 35926), (9798, 20911), (11406, 17963)]