81594976

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 167989248

約数和(自身を除く): 86394272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 83, 124, 166, 248, 332, 496, 664, 991, 992, 1328, 1982, 2573, 2656, 3964, 5146, 7928, 10292, 15856, 20584, 30721, 31712, 41168, 61442, 82253, 82336, 122884, 164506, 245768, 329012, 491536, 658024, 983072, 1316048, 2549843, 2632096, 5099686, 10199372, 20398744, 40797488, 81594976]

約数ペア:

[(1, 81594976), (2, 40797488), (4, 20398744), (8, 10199372), (16, 5099686), (31, 2632096), (32, 2549843), (62, 1316048), (83, 983072), (124, 658024), (166, 491536), (248, 329012), (332, 245768), (496, 164506), (664, 122884), (991, 82336), (992, 82253), (1328, 61442), (1982, 41168), (2573, 31712), (2656, 30721), (3964, 20584), (5146, 15856), (7928, 10292)]