279553664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3977

約数の個数: 64

約数和(自身を含む): 613868640

約数和(自身を除く): 334314976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 1664, 2236, 2752, 3907, 4472, 5504, 7814, 8944, 15628, 17888, 31256, 35776, 50791, 62512, 71552, 101582, 125024, 168001, 203164, 250048, 336002, 406328, 500096, 672004, 812656, 1344008, 1625312, 2184013, 2688016, 3250624, 4368026, 5376032, 6501248, 8736052, 10752064, 17472104, 21504128, 34944208, 69888416, 139776832, 279553664]

約数ペア:

[(1, 279553664), (2, 139776832), (4, 69888416), (8, 34944208), (13, 21504128), (16, 17472104), (26, 10752064), (32, 8736052), (43, 6501248), (52, 5376032), (64, 4368026), (86, 3250624), (104, 2688016), (128, 2184013), (172, 1625312), (208, 1344008), (344, 812656), (416, 672004), (559, 500096), (688, 406328), (832, 336002), (1118, 250048), (1376, 203164), (1664, 168001), (2236, 125024), (2752, 101582), (3907, 71552), (4472, 62512), (5504, 50791), (7814, 35776), (8944, 31256), (15628, 17888)]