328709888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2369

約数の個数: 72

約数和(自身を含む): 723355248

約数和(自身を除く): 394645360

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 559, 688, 832, 1118, 1376, 1664, 2236, 2297, 2752, 3328, 4472, 4594, 5504, 8944, 9188, 11008, 17888, 18376, 29861, 35776, 36752, 59722, 71552, 73504, 98771, 119444, 143104, 147008, 197542, 238888, 294016, 395084, 477776, 588032, 790168, 955552, 1284023, 1580336, 1911104, 2568046, 3160672, 3822208, 5136092, 6321344, 7644416, 10272184, 12642688, 20544368, 25285376, 41088736, 82177472, 164354944, 328709888]

約数ペア:

[(1, 328709888), (2, 164354944), (4, 82177472), (8, 41088736), (13, 25285376), (16, 20544368), (26, 12642688), (32, 10272184), (43, 7644416), (52, 6321344), (64, 5136092), (86, 3822208), (104, 3160672), (128, 2568046), (172, 1911104), (208, 1580336), (256, 1284023), (344, 955552), (416, 790168), (559, 588032), (688, 477776), (832, 395084), (1118, 294016), (1376, 238888), (1664, 197542), (2236, 147008), (2297, 143104), (2752, 119444), (3328, 98771), (4472, 73504), (4594, 71552), (5504, 59722), (8944, 36752), (9188, 35776), (11008, 29861), (17888, 18376)]