328685312

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 686784000

約数和(自身を除く): 358098688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 256, 332, 496, 499, 664, 992, 998, 1328, 1984, 1996, 2573, 2656, 3968, 3992, 5146, 5312, 7936, 7984, 10292, 10624, 15469, 15968, 20584, 21248, 30938, 31936, 41168, 41417, 61876, 63872, 82336, 82834, 123752, 127744, 164672, 165668, 247504, 329344, 331336, 495008, 658688, 662672, 990016, 1283927, 1325344, 1980032, 2567854, 2650688, 3960064, 5135708, 5301376, 10271416, 10602752, 20542832, 41085664, 82171328, 164342656, 328685312]

約数ペア:

[(1, 328685312), (2, 164342656), (4, 82171328), (8, 41085664), (16, 20542832), (31, 10602752), (32, 10271416), (62, 5301376), (64, 5135708), (83, 3960064), (124, 2650688), (128, 2567854), (166, 1980032), (248, 1325344), (256, 1283927), (332, 990016), (496, 662672), (499, 658688), (664, 495008), (992, 331336), (998, 329344), (1328, 247504), (1984, 165668), (1996, 164672), (2573, 127744), (2656, 123752), (3968, 82834), (3992, 82336), (5146, 63872), (5312, 61876), (7936, 41417), (7984, 41168), (10292, 31936), (10624, 30938), (15469, 21248), (15968, 20584)]