51119744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 113326080

約数和(自身を除く): 62206336

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 991, 992, 1612, 1664, 1982, 1984, 3224, 3964, 3968, 6448, 7928, 12883, 12896, 15856, 25766, 25792, 30721, 31712, 51532, 51584, 61442, 63424, 103064, 122884, 126848, 206128, 245768, 399373, 412256, 491536, 798746, 824512, 983072, 1597492, 1649024, 1966144, 3194984, 3932288, 6389968, 12779936, 25559872, 51119744]

約数ペア:

[(1, 51119744), (2, 25559872), (4, 12779936), (8, 6389968), (13, 3932288), (16, 3194984), (26, 1966144), (31, 1649024), (32, 1597492), (52, 983072), (62, 824512), (64, 798746), (104, 491536), (124, 412256), (128, 399373), (208, 245768), (248, 206128), (403, 126848), (416, 122884), (496, 103064), (806, 63424), (832, 61442), (991, 51584), (992, 51532), (1612, 31712), (1664, 30721), (1982, 25792), (1984, 25766), (3224, 15856), (3964, 12896), (3968, 12883), (6448, 7928)]