78087808

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 161451720

約数和(自身を除く): 83363912

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 73, 122, 128, 137, 146, 244, 274, 292, 488, 548, 584, 976, 1096, 1168, 1952, 2192, 2336, 3904, 4384, 4453, 4672, 7808, 8357, 8768, 8906, 9344, 10001, 16714, 17536, 17812, 20002, 33428, 35624, 40004, 66856, 71248, 80008, 133712, 142496, 160016, 267424, 284992, 320032, 534848, 569984, 610061, 640064, 1069696, 1220122, 1280128, 2440244, 4880488, 9760976, 19521952, 39043904, 78087808]

約数ペア:

[(1, 78087808), (2, 39043904), (4, 19521952), (8, 9760976), (16, 4880488), (32, 2440244), (61, 1280128), (64, 1220122), (73, 1069696), (122, 640064), (128, 610061), (137, 569984), (146, 534848), (244, 320032), (274, 284992), (292, 267424), (488, 160016), (548, 142496), (584, 133712), (976, 80008), (1096, 71248), (1168, 66856), (1952, 40004), (2192, 35624), (2336, 33428), (3904, 20002), (4384, 17812), (4453, 17536), (4672, 16714), (7808, 10001), (8357, 9344), (8768, 8906)]