378889336

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20996

約数の個数: 64

約数和(自身を含む): 904953600

約数和(自身を除く): 526064264

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4522, 9044, 18088, 20947, 41894, 83788, 146629, 167576, 293258, 356099, 397993, 586516, 712198, 795986, 1173032, 1424396, 1591972, 2492693, 2785951, 2848792, 3183944, 4985386, 5571902, 6765881, 9970772, 11143804, 13531762, 19941544, 22287608, 27063524, 47361167, 54127048, 94722334, 189444668, 378889336]

約数ペア:

[(1, 378889336), (2, 189444668), (4, 94722334), (7, 54127048), (8, 47361167), (14, 27063524), (17, 22287608), (19, 19941544), (28, 13531762), (34, 11143804), (38, 9970772), (56, 6765881), (68, 5571902), (76, 4985386), (119, 3183944), (133, 2848792), (136, 2785951), (152, 2492693), (238, 1591972), (266, 1424396), (323, 1173032), (476, 795986), (532, 712198), (646, 586516), (952, 397993), (1064, 356099), (1292, 293258), (2261, 167576), (2584, 146629), (4522, 83788), (9044, 41894), (18088, 20947)]