12691328

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 28274400

約数和(自身を除く): 15583072

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 263, 377, 416, 464, 526, 754, 832, 928, 1052, 1508, 1664, 1856, 2104, 3016, 3419, 3712, 4208, 6032, 6838, 7627, 8416, 12064, 13676, 15254, 16832, 24128, 27352, 30508, 33664, 48256, 54704, 61016, 99151, 109408, 122032, 198302, 218816, 244064, 396604, 437632, 488128, 793208, 976256, 1586416, 3172832, 6345664, 12691328]

約数ペア:

[(1, 12691328), (2, 6345664), (4, 3172832), (8, 1586416), (13, 976256), (16, 793208), (26, 488128), (29, 437632), (32, 396604), (52, 244064), (58, 218816), (64, 198302), (104, 122032), (116, 109408), (128, 99151), (208, 61016), (232, 54704), (263, 48256), (377, 33664), (416, 30508), (464, 27352), (526, 24128), (754, 16832), (832, 15254), (928, 13676), (1052, 12064), (1508, 8416), (1664, 7627), (1856, 6838), (2104, 6032), (3016, 4208), (3419, 3712)]