51487212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 142248960

約数和(自身を除く): 90761748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 89, 97, 142, 178, 194, 213, 267, 284, 291, 356, 388, 426, 497, 534, 582, 623, 679, 852, 994, 1068, 1164, 1246, 1358, 1491, 1869, 1988, 2037, 2492, 2716, 2982, 3738, 4074, 5964, 6319, 6887, 7476, 8148, 8633, 12638, 13774, 17266, 18957, 20661, 25276, 25899, 27548, 34532, 37914, 41322, 44233, 48209, 51798, 60431, 75828, 82644, 88466, 96418, 103596, 120862, 132699, 144627, 176932, 181293, 192836, 241724, 265398, 289254, 362586, 530796, 578508, 612943, 725172, 1225886, 1838829, 2451772, 3677658, 4290601, 7355316, 8581202, 12871803, 17162404, 25743606, 51487212]

約数ペア:

[(1, 51487212), (2, 25743606), (3, 17162404), (4, 12871803), (6, 8581202), (7, 7355316), (12, 4290601), (14, 3677658), (21, 2451772), (28, 1838829), (42, 1225886), (71, 725172), (84, 612943), (89, 578508), (97, 530796), (142, 362586), (178, 289254), (194, 265398), (213, 241724), (267, 192836), (284, 181293), (291, 176932), (356, 144627), (388, 132699), (426, 120862), (497, 103596), (534, 96418), (582, 88466), (623, 82644), (679, 75828), (852, 60431), (994, 51798), (1068, 48209), (1164, 44233), (1246, 41322), (1358, 37914), (1491, 34532), (1869, 27548), (1988, 25899), (2037, 25276), (2492, 20661), (2716, 18957), (2982, 17266), (3738, 13774), (4074, 12638), (5964, 8633), (6319, 8148), (6887, 7476)]