397331344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{76883}}^1$

素因数の和:76927

約数の個数: 40

約数和(自身を含む): 858025440

約数和(自身を除く): 460694096

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 76883, 153766, 307532, 615064, 1230128, 1307011, 1460777, 2614022, 2921554, 5228044, 5843108, 10456088, 11686216, 20912176, 23372432, 24833209, 49666418, 99332836, 198665672, 397331344]

約数ペア:

[(1, 397331344), (2, 198665672), (4, 99332836), (8, 49666418), (16, 24833209), (17, 23372432), (19, 20912176), (34, 11686216), (38, 10456088), (68, 5843108), (76, 5228044), (136, 2921554), (152, 2614022), (272, 1460777), (304, 1307011), (323, 1230128), (646, 615064), (1292, 307532), (2584, 153766), (5168, 76883)]