397799168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5197}}^1$

素因数の和:5249

約数の個数: 72

約数和(自身を含む): 892475808

約数和(自身を除く): 494676640

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 598, 736, 832, 1196, 1472, 1664, 2392, 2944, 3328, 4784, 5197, 5888, 9568, 10394, 19136, 20788, 38272, 41576, 67561, 76544, 83152, 119531, 135122, 166304, 239062, 270244, 332608, 478124, 540488, 665216, 956248, 1080976, 1330432, 1553903, 1912496, 2161952, 3107806, 3824992, 4323904, 6215612, 7649984, 8647808, 12431224, 15299968, 17295616, 24862448, 30599936, 49724896, 99449792, 198899584, 397799168]

約数ペア:

[(1, 397799168), (2, 198899584), (4, 99449792), (8, 49724896), (13, 30599936), (16, 24862448), (23, 17295616), (26, 15299968), (32, 12431224), (46, 8647808), (52, 7649984), (64, 6215612), (92, 4323904), (104, 3824992), (128, 3107806), (184, 2161952), (208, 1912496), (256, 1553903), (299, 1330432), (368, 1080976), (416, 956248), (598, 665216), (736, 540488), (832, 478124), (1196, 332608), (1472, 270244), (1664, 239062), (2392, 166304), (2944, 135122), (3328, 119531), (4784, 83152), (5197, 76544), (5888, 67561), (9568, 41576), (10394, 38272), (19136, 20788)]