25721696

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 69445152

約数和(自身を除く): 43723456

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 73, 77, 88, 91, 104, 112, 121, 143, 146, 154, 176, 182, 208, 224, 242, 286, 292, 308, 352, 364, 416, 484, 511, 572, 584, 616, 728, 803, 847, 949, 968, 1001, 1022, 1144, 1168, 1232, 1456, 1573, 1606, 1694, 1898, 1936, 2002, 2044, 2288, 2336, 2464, 2912, 3146, 3212, 3388, 3796, 3872, 4004, 4088, 4576, 5621, 6292, 6424, 6643, 6776, 7592, 8008, 8176, 8833, 10439, 11011, 11242, 12584, 12848, 13286, 13552, 15184, 16016, 16352, 17666, 20878, 22022, 22484, 25168, 25696, 26572, 27104, 30368, 32032, 35332, 41756, 44044, 44968, 50336, 53144, 61831, 70664, 73073, 83512, 88088, 89936, 106288, 114829, 123662, 141328, 146146, 167024, 176176, 179872, 212576, 229658, 247324, 282656, 292292, 334048, 352352, 459316, 494648, 584584, 803803, 918632, 989296, 1169168, 1607606, 1837264, 1978592, 2338336, 3215212, 3674528, 6430424, 12860848, 25721696]

約数ペア:

[(1, 25721696), (2, 12860848), (4, 6430424), (7, 3674528), (8, 3215212), (11, 2338336), (13, 1978592), (14, 1837264), (16, 1607606), (22, 1169168), (26, 989296), (28, 918632), (32, 803803), (44, 584584), (52, 494648), (56, 459316), (73, 352352), (77, 334048), (88, 292292), (91, 282656), (104, 247324), (112, 229658), (121, 212576), (143, 179872), (146, 176176), (154, 167024), (176, 146146), (182, 141328), (208, 123662), (224, 114829), (242, 106288), (286, 89936), (292, 88088), (308, 83512), (352, 73073), (364, 70664), (416, 61831), (484, 53144), (511, 50336), (572, 44968), (584, 44044), (616, 41756), (728, 35332), (803, 32032), (847, 30368), (949, 27104), (968, 26572), (1001, 25696), (1022, 25168), (1144, 22484), (1168, 22022), (1232, 20878), (1456, 17666), (1573, 16352), (1606, 16016), (1694, 15184), (1898, 13552), (1936, 13286), (2002, 12848), (2044, 12584), (2288, 11242), (2336, 11011), (2464, 10439), (2912, 8833), (3146, 8176), (3212, 8008), (3388, 7592), (3796, 6776), (3872, 6643), (4004, 6424), (4088, 6292), (4576, 5621)]