258835616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20071}}^1$

素因数の和:20125

約数の個数: 48

約数和(自身を含む): 566512128

約数和(自身を除く): 307676512

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 20071, 40142, 80284, 160568, 260923, 321136, 521846, 622201, 642272, 1043692, 1244402, 2087384, 2488804, 4174768, 4977608, 8088613, 8349536, 9955216, 16177226, 19910432, 32354452, 64708904, 129417808, 258835616]

約数ペア:

[(1, 258835616), (2, 129417808), (4, 64708904), (8, 32354452), (13, 19910432), (16, 16177226), (26, 9955216), (31, 8349536), (32, 8088613), (52, 4977608), (62, 4174768), (104, 2488804), (124, 2087384), (208, 1244402), (248, 1043692), (403, 642272), (416, 622201), (496, 521846), (806, 321136), (992, 260923), (1612, 160568), (3224, 80284), (6448, 40142), (12896, 20071)]