261278123236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{598093}}^1$

素因数の和:598412

約数の個数: 48

約数和(自身を含む): 510169397248

約数和(自身を除く): 248891274012

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 271, 403, 542, 806, 1084, 1612, 3523, 7046, 8401, 14092, 16802, 33604, 109213, 218426, 436852, 598093, 1196186, 2392372, 7775209, 15550418, 18540883, 31100836, 37081766, 74163532, 162083203, 241031479, 324166406, 482062958, 648332812, 964125916, 2107081639, 4214163278, 5024579293, 8428326556, 10049158586, 20098317172, 65319530809, 130639061618, 261278123236]

約数ペア:

[(1, 261278123236), (2, 130639061618), (4, 65319530809), (13, 20098317172), (26, 10049158586), (31, 8428326556), (52, 5024579293), (62, 4214163278), (124, 2107081639), (271, 964125916), (403, 648332812), (542, 482062958), (806, 324166406), (1084, 241031479), (1612, 162083203), (3523, 74163532), (7046, 37081766), (8401, 31100836), (14092, 18540883), (16802, 15550418), (33604, 7775209), (109213, 2392372), (218426, 1196186), (436852, 598093)]