72003328

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 152531456

約数和(自身を除く): 80528128

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 211, 248, 256, 344, 422, 496, 688, 844, 992, 1333, 1376, 1688, 1984, 2666, 2752, 3376, 3968, 5332, 5504, 6541, 6752, 7936, 9073, 10664, 11008, 13082, 13504, 18146, 21328, 26164, 27008, 36292, 42656, 52328, 54016, 72584, 85312, 104656, 145168, 170624, 209312, 281263, 290336, 341248, 418624, 562526, 580672, 837248, 1125052, 1161344, 1674496, 2250104, 2322688, 4500208, 9000416, 18000832, 36001664, 72003328]

約数ペア:

[(1, 72003328), (2, 36001664), (4, 18000832), (8, 9000416), (16, 4500208), (31, 2322688), (32, 2250104), (43, 1674496), (62, 1161344), (64, 1125052), (86, 837248), (124, 580672), (128, 562526), (172, 418624), (211, 341248), (248, 290336), (256, 281263), (344, 209312), (422, 170624), (496, 145168), (688, 104656), (844, 85312), (992, 72584), (1333, 54016), (1376, 52328), (1688, 42656), (1984, 36292), (2666, 27008), (2752, 26164), (3376, 21328), (3968, 18146), (5332, 13504), (5504, 13082), (6541, 11008), (6752, 10664), (7936, 9073)]