438505168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21563}}^1$

素因数の和:21643

約数の個数: 40

約数和(自身を含む): 898442496

約数和(自身を除く): 459937328

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 10168, 20336, 21563, 43126, 86252, 172504, 345008, 668453, 884083, 1336906, 1768166, 2673812, 3536332, 5347624, 7072664, 10695248, 14145328, 27406573, 54813146, 109626292, 219252584, 438505168]

約数ペア:

[(1, 438505168), (2, 219252584), (4, 109626292), (8, 54813146), (16, 27406573), (31, 14145328), (41, 10695248), (62, 7072664), (82, 5347624), (124, 3536332), (164, 2673812), (248, 1768166), (328, 1336906), (496, 884083), (656, 668453), (1271, 345008), (2542, 172504), (5084, 86252), (10168, 43126), (20336, 21563)]