164342656

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 342720000

約数和(自身を除く): 178377344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 332, 496, 499, 664, 992, 998, 1328, 1984, 1996, 2573, 2656, 3968, 3992, 5146, 5312, 7984, 10292, 10624, 15469, 15968, 20584, 30938, 31936, 41168, 41417, 61876, 63872, 82336, 82834, 123752, 164672, 165668, 247504, 329344, 331336, 495008, 662672, 990016, 1283927, 1325344, 1980032, 2567854, 2650688, 5135708, 5301376, 10271416, 20542832, 41085664, 82171328, 164342656]

約数ペア:

[(1, 164342656), (2, 82171328), (4, 41085664), (8, 20542832), (16, 10271416), (31, 5301376), (32, 5135708), (62, 2650688), (64, 2567854), (83, 1980032), (124, 1325344), (128, 1283927), (166, 990016), (248, 662672), (332, 495008), (496, 331336), (499, 329344), (664, 247504), (992, 165668), (998, 164672), (1328, 123752), (1984, 82834), (1996, 82336), (2573, 63872), (2656, 61876), (3968, 41417), (3992, 41168), (5146, 31936), (5312, 30938), (7984, 20584), (10292, 15968), (10624, 15469)]