399808512

素因数分解:

$2^{11}\times 3^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 1171170000

約数和(自身を除く): 771361488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 128, 144, 192, 199, 218, 256, 288, 327, 384, 398, 436, 512, 576, 597, 654, 768, 796, 872, 981, 1024, 1152, 1194, 1308, 1536, 1592, 1744, 1791, 1962, 2048, 2304, 2388, 2616, 3072, 3184, 3488, 3582, 3924, 4608, 4776, 5232, 6144, 6368, 6976, 7164, 7848, 9216, 9552, 10464, 12736, 13952, 14328, 15696, 18432, 19104, 20928, 21691, 25472, 27904, 28656, 31392, 38208, 41856, 43382, 50944, 55808, 57312, 62784, 65073, 76416, 83712, 86764, 101888, 111616, 114624, 125568, 130146, 152832, 167424, 173528, 195219, 203776, 223232, 229248, 251136, 260292, 305664, 334848, 347056, 390438, 407552, 458496, 502272, 520584, 611328, 669696, 694112, 780876, 916992, 1004544, 1041168, 1222656, 1388224, 1561752, 1833984, 2009088, 2082336, 2776448, 3123504, 3667968, 4164672, 5552896, 6247008, 8329344, 11105792, 12494016, 16658688, 22211584, 24988032, 33317376, 44423168, 49976064, 66634752, 99952128, 133269504, 199904256, 399808512]

約数ペア:

[(1, 399808512), (2, 199904256), (3, 133269504), (4, 99952128), (6, 66634752), (8, 49976064), (9, 44423168), (12, 33317376), (16, 24988032), (18, 22211584), (24, 16658688), (32, 12494016), (36, 11105792), (48, 8329344), (64, 6247008), (72, 5552896), (96, 4164672), (109, 3667968), (128, 3123504), (144, 2776448), (192, 2082336), (199, 2009088), (218, 1833984), (256, 1561752), (288, 1388224), (327, 1222656), (384, 1041168), (398, 1004544), (436, 916992), (512, 780876), (576, 694112), (597, 669696), (654, 611328), (768, 520584), (796, 502272), (872, 458496), (981, 407552), (1024, 390438), (1152, 347056), (1194, 334848), (1308, 305664), (1536, 260292), (1592, 251136), (1744, 229248), (1791, 223232), (1962, 203776), (2048, 195219), (2304, 173528), (2388, 167424), (2616, 152832), (3072, 130146), (3184, 125568), (3488, 114624), (3582, 111616), (3924, 101888), (4608, 86764), (4776, 83712), (5232, 76416), (6144, 65073), (6368, 62784), (6976, 57312), (7164, 55808), (7848, 50944), (9216, 43382), (9552, 41856), (10464, 38208), (12736, 31392), (13952, 28656), (14328, 27904), (15696, 25472), (18432, 21691), (19104, 20928)]