1385894656

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 2922920000

約数和(自身を除く): 1537025344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 499, 571, 608, 998, 1142, 1216, 1996, 2284, 2432, 3992, 4568, 4864, 7984, 9136, 9481, 10849, 15968, 18272, 18962, 21698, 31936, 36544, 37924, 43396, 63872, 73088, 75848, 86792, 127744, 146176, 151696, 173584, 284929, 303392, 347168, 569858, 606784, 694336, 1139716, 1213568, 1388672, 2279432, 2427136, 2777344, 4558864, 5413651, 9117728, 10827302, 18235456, 21654604, 36470912, 43309208, 72941824, 86618416, 173236832, 346473664, 692947328, 1385894656]

約数ペア:

[(1, 1385894656), (2, 692947328), (4, 346473664), (8, 173236832), (16, 86618416), (19, 72941824), (32, 43309208), (38, 36470912), (64, 21654604), (76, 18235456), (128, 10827302), (152, 9117728), (256, 5413651), (304, 4558864), (499, 2777344), (571, 2427136), (608, 2279432), (998, 1388672), (1142, 1213568), (1216, 1139716), (1996, 694336), (2284, 606784), (2432, 569858), (3992, 347168), (4568, 303392), (4864, 284929), (7984, 173584), (9136, 151696), (9481, 146176), (10849, 127744), (15968, 86792), (18272, 75848), (18962, 73088), (21698, 63872), (31936, 43396), (36544, 37924)]