64944256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 143942400

約数和(自身を除く): 78998144

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1259, 1612, 1664, 1984, 2518, 3224, 3968, 5036, 6448, 10072, 12896, 16367, 20144, 25792, 32734, 39029, 40288, 51584, 65468, 78058, 80576, 130936, 156116, 161152, 261872, 312232, 507377, 523744, 624464, 1014754, 1047488, 1248928, 2029508, 2094976, 2497856, 4059016, 4995712, 8118032, 16236064, 32472128, 64944256]

約数ペア:

[(1, 64944256), (2, 32472128), (4, 16236064), (8, 8118032), (13, 4995712), (16, 4059016), (26, 2497856), (31, 2094976), (32, 2029508), (52, 1248928), (62, 1047488), (64, 1014754), (104, 624464), (124, 523744), (128, 507377), (208, 312232), (248, 261872), (403, 161152), (416, 156116), (496, 130936), (806, 80576), (832, 78058), (992, 65468), (1259, 51584), (1612, 40288), (1664, 39029), (1984, 32734), (2518, 25792), (3224, 20144), (3968, 16367), (5036, 12896), (6448, 10072)]