78173072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 169132032

約数和(自身を除く): 90958960

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 73, 124, 127, 136, 146, 248, 254, 272, 292, 496, 508, 527, 584, 1016, 1054, 1168, 1241, 2032, 2108, 2159, 2263, 2482, 3937, 4216, 4318, 4526, 4964, 7874, 8432, 8636, 9052, 9271, 9928, 15748, 17272, 18104, 18542, 19856, 31496, 34544, 36208, 37084, 38471, 62992, 66929, 74168, 76942, 133858, 148336, 153884, 157607, 267716, 287401, 307768, 315214, 535432, 574802, 615536, 630428, 1070864, 1149604, 1260856, 2299208, 2521712, 4598416, 4885817, 9771634, 19543268, 39086536, 78173072]

約数ペア:

[(1, 78173072), (2, 39086536), (4, 19543268), (8, 9771634), (16, 4885817), (17, 4598416), (31, 2521712), (34, 2299208), (62, 1260856), (68, 1149604), (73, 1070864), (124, 630428), (127, 615536), (136, 574802), (146, 535432), (248, 315214), (254, 307768), (272, 287401), (292, 267716), (496, 157607), (508, 153884), (527, 148336), (584, 133858), (1016, 76942), (1054, 74168), (1168, 66929), (1241, 62992), (2032, 38471), (2108, 37084), (2159, 36208), (2263, 34544), (2482, 31496), (3937, 19856), (4216, 18542), (4318, 18104), (4526, 17272), (4964, 15748), (7874, 9928), (8432, 9271), (8636, 9052)]