328335904

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:702

約数の個数: 72

約数和(自身を含む): 707650020

約数和(自身を除く): 379314116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 169, 208, 218, 338, 416, 436, 557, 676, 872, 1114, 1352, 1417, 1744, 2228, 2704, 2834, 3488, 4456, 5408, 5668, 7241, 8912, 11336, 14482, 17824, 18421, 22672, 28964, 36842, 45344, 57928, 60713, 73684, 94133, 115856, 121426, 147368, 188266, 231712, 242852, 294736, 376532, 485704, 589472, 753064, 789269, 971408, 1506128, 1578538, 1942816, 3012256, 3157076, 6314152, 10260497, 12628304, 20520994, 25256608, 41041988, 82083976, 164167952, 328335904]

約数ペア:

[(1, 328335904), (2, 164167952), (4, 82083976), (8, 41041988), (13, 25256608), (16, 20520994), (26, 12628304), (32, 10260497), (52, 6314152), (104, 3157076), (109, 3012256), (169, 1942816), (208, 1578538), (218, 1506128), (338, 971408), (416, 789269), (436, 753064), (557, 589472), (676, 485704), (872, 376532), (1114, 294736), (1352, 242852), (1417, 231712), (1744, 188266), (2228, 147368), (2704, 121426), (2834, 115856), (3488, 94133), (4456, 73684), (5408, 60713), (5668, 57928), (7241, 45344), (8912, 36842), (11336, 28964), (14482, 22672), (17824, 18421)]