428766478

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 744652800

約数和(自身を除く): 315886322

約数列:

[1, 2, 7, 14, 127, 239, 254, 478, 889, 1009, 1673, 1778, 2018, 3346, 7063, 14126, 30353, 60706, 128143, 212471, 241151, 256286, 424942, 482302, 897001, 1688057, 1794002, 3376114, 30626177, 61252354, 214383239, 428766478]

約数ペア:

[(1, 428766478), (2, 214383239), (7, 61252354), (14, 30626177), (127, 3376114), (239, 1794002), (254, 1688057), (478, 897001), (889, 482302), (1009, 424942), (1673, 256286), (1778, 241151), (2018, 212471), (3346, 128143), (7063, 60706), (14126, 30353)]