128782432

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 263983104

約数和(自身を除く): 135200672

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 131, 248, 262, 496, 524, 991, 992, 1048, 1982, 2096, 3964, 4061, 4192, 7928, 8122, 15856, 16244, 30721, 31712, 32488, 61442, 64976, 122884, 129821, 129952, 245768, 259642, 491536, 519284, 983072, 1038568, 2077136, 4024451, 4154272, 8048902, 16097804, 32195608, 64391216, 128782432]

約数ペア:

[(1, 128782432), (2, 64391216), (4, 32195608), (8, 16097804), (16, 8048902), (31, 4154272), (32, 4024451), (62, 2077136), (124, 1038568), (131, 983072), (248, 519284), (262, 491536), (496, 259642), (524, 245768), (991, 129952), (992, 129821), (1048, 122884), (1982, 64976), (2096, 61442), (3964, 32488), (4061, 31712), (4192, 30721), (7928, 16244), (8122, 15856)]