64487936

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 76931584

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 239, 248, 256, 272, 478, 496, 512, 527, 544, 956, 992, 1054, 1088, 1912, 1984, 2108, 2176, 3824, 3968, 4063, 4216, 4352, 7409, 7648, 7936, 8126, 8432, 8704, 14818, 15296, 15872, 16252, 16864, 29636, 30592, 32504, 33728, 59272, 61184, 65008, 67456, 118544, 122368, 125953, 130016, 134912, 237088, 251906, 260032, 269824, 474176, 503812, 520064, 948352, 1007624, 1040128, 1896704, 2015248, 2080256, 3793408, 4030496, 8060992, 16121984, 32243968, 64487936]

約数ペア:

[(1, 64487936), (2, 32243968), (4, 16121984), (8, 8060992), (16, 4030496), (17, 3793408), (31, 2080256), (32, 2015248), (34, 1896704), (62, 1040128), (64, 1007624), (68, 948352), (124, 520064), (128, 503812), (136, 474176), (239, 269824), (248, 260032), (256, 251906), (272, 237088), (478, 134912), (496, 130016), (512, 125953), (527, 122368), (544, 118544), (956, 67456), (992, 65008), (1054, 61184), (1088, 59272), (1912, 33728), (1984, 32504), (2108, 30592), (2176, 29636), (3824, 16864), (3968, 16252), (4063, 15872), (4216, 15296), (4352, 14818), (7409, 8704), (7648, 8432), (7936, 8126)]