261764992

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 551779200

約数和(自身を除く): 290014208

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 328, 496, 656, 992, 1271, 1312, 1609, 1984, 2542, 2624, 3218, 3968, 5084, 5248, 6436, 10168, 12872, 20336, 25744, 40672, 49879, 51488, 65969, 81344, 99758, 102976, 131938, 162688, 199516, 205952, 263876, 399032, 527752, 798064, 1055504, 1596128, 2045039, 2111008, 3192256, 4090078, 4222016, 6384512, 8180156, 8444032, 16360312, 32720624, 65441248, 130882496, 261764992]

約数ペア:

[(1, 261764992), (2, 130882496), (4, 65441248), (8, 32720624), (16, 16360312), (31, 8444032), (32, 8180156), (41, 6384512), (62, 4222016), (64, 4090078), (82, 3192256), (124, 2111008), (128, 2045039), (164, 1596128), (248, 1055504), (328, 798064), (496, 527752), (656, 399032), (992, 263876), (1271, 205952), (1312, 199516), (1609, 162688), (1984, 131938), (2542, 102976), (2624, 99758), (3218, 81344), (3968, 65969), (5084, 51488), (5248, 49879), (6436, 40672), (10168, 25744), (12872, 20336)]