397325768

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{857}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 904400640

約数和(自身を除く): 507074872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 487, 857, 952, 974, 1714, 1948, 3409, 3428, 3896, 5999, 6818, 6856, 8279, 11998, 13636, 14569, 16558, 23996, 27272, 29138, 33116, 47992, 57953, 58276, 66232, 101983, 115906, 116552, 203966, 231812, 407932, 417359, 463624, 815864, 834718, 1669436, 2921513, 3338872, 5843026, 7095103, 11686052, 14190206, 23372104, 28380412, 49665721, 56760824, 99331442, 198662884, 397325768]

約数ペア:

[(1, 397325768), (2, 198662884), (4, 99331442), (7, 56760824), (8, 49665721), (14, 28380412), (17, 23372104), (28, 14190206), (34, 11686052), (56, 7095103), (68, 5843026), (119, 3338872), (136, 2921513), (238, 1669436), (476, 834718), (487, 815864), (857, 463624), (952, 417359), (974, 407932), (1714, 231812), (1948, 203966), (3409, 116552), (3428, 115906), (3896, 101983), (5999, 66232), (6818, 58276), (6856, 57953), (8279, 47992), (11998, 33116), (13636, 29138), (14569, 27272), (16558, 23996)]