813897776

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{487}}^1\times {\mathrm{1559}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 1604778240

約数和(自身を除く): 790880464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 487, 536, 974, 1072, 1559, 1948, 3118, 3896, 6236, 7792, 12472, 24944, 32629, 65258, 104453, 130516, 208906, 261032, 417812, 522064, 759233, 835624, 1518466, 1671248, 3036932, 6073864, 12147728, 50868611, 101737222, 203474444, 406948888, 813897776]

約数ペア:

[(1, 813897776), (2, 406948888), (4, 203474444), (8, 101737222), (16, 50868611), (67, 12147728), (134, 6073864), (268, 3036932), (487, 1671248), (536, 1518466), (974, 835624), (1072, 759233), (1559, 522064), (1948, 417812), (3118, 261032), (3896, 208906), (6236, 130516), (7792, 104453), (12472, 65258), (24944, 32629)]