204775168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1729

約数の個数: 72

約数和(自身を含む): 452361728

約数和(自身を除く): 247586560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 481, 592, 832, 962, 1184, 1663, 1664, 1924, 2368, 3326, 3328, 3848, 4736, 6652, 7696, 9472, 13304, 15392, 21619, 26608, 30784, 43238, 53216, 61531, 61568, 86476, 106432, 123062, 123136, 172952, 212864, 246124, 345904, 425728, 492248, 691808, 799903, 984496, 1383616, 1599806, 1968992, 2767232, 3199612, 3937984, 5534464, 6399224, 7875968, 12798448, 15751936, 25596896, 51193792, 102387584, 204775168]

約数ペア:

[(1, 204775168), (2, 102387584), (4, 51193792), (8, 25596896), (13, 15751936), (16, 12798448), (26, 7875968), (32, 6399224), (37, 5534464), (52, 3937984), (64, 3199612), (74, 2767232), (104, 1968992), (128, 1599806), (148, 1383616), (208, 984496), (256, 799903), (296, 691808), (416, 492248), (481, 425728), (592, 345904), (832, 246124), (962, 212864), (1184, 172952), (1663, 123136), (1664, 123062), (1924, 106432), (2368, 86476), (3326, 61568), (3328, 61531), (3848, 53216), (4736, 43238), (6652, 30784), (7696, 26608), (9472, 21619), (13304, 15392)]