164589664

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 338688000

約数和(自身を除く): 174098336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 83, 124, 166, 248, 332, 496, 664, 992, 1328, 1999, 2573, 2656, 3998, 5146, 7996, 10292, 15992, 20584, 31984, 41168, 61969, 63968, 82336, 123938, 165917, 247876, 331834, 495752, 663668, 991504, 1327336, 1983008, 2654672, 5143427, 5309344, 10286854, 20573708, 41147416, 82294832, 164589664]

約数ペア:

[(1, 164589664), (2, 82294832), (4, 41147416), (8, 20573708), (16, 10286854), (31, 5309344), (32, 5143427), (62, 2654672), (83, 1983008), (124, 1327336), (166, 991504), (248, 663668), (332, 495752), (496, 331834), (664, 247876), (992, 165917), (1328, 123938), (1999, 82336), (2573, 63968), (2656, 61969), (3998, 41168), (5146, 31984), (7996, 20584), (10292, 15992)]