291201664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1425

約数の個数: 64

約数和(自身を含む): 629748000

約数和(自身を除く): 338546336

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 278, 416, 556, 832, 1112, 1259, 1664, 1807, 2224, 2518, 3614, 4448, 5036, 7228, 8896, 10072, 14456, 16367, 17792, 20144, 28912, 32734, 40288, 57824, 65468, 80576, 115648, 130936, 161152, 175001, 231296, 261872, 350002, 523744, 700004, 1047488, 1400008, 2094976, 2275013, 2800016, 4550026, 5600032, 9100052, 11200064, 18200104, 22400128, 36400208, 72800416, 145600832, 291201664]

約数ペア:

[(1, 291201664), (2, 145600832), (4, 72800416), (8, 36400208), (13, 22400128), (16, 18200104), (26, 11200064), (32, 9100052), (52, 5600032), (64, 4550026), (104, 2800016), (128, 2275013), (139, 2094976), (208, 1400008), (278, 1047488), (416, 700004), (556, 523744), (832, 350002), (1112, 261872), (1259, 231296), (1664, 175001), (1807, 161152), (2224, 130936), (2518, 115648), (3614, 80576), (4448, 65468), (5036, 57824), (7228, 40288), (8896, 32734), (10072, 28912), (14456, 20144), (16367, 17792)]