138996928

素因数分解:

$2^6\times 7^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 84

約数和(自身を含む): 324307200

約数和(自身を除く): 185310272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 127, 196, 224, 254, 349, 392, 448, 508, 698, 784, 889, 1016, 1396, 1568, 1778, 2032, 2443, 2792, 3136, 3556, 4064, 4886, 5584, 6223, 7112, 8128, 9772, 11168, 12446, 14224, 17101, 19544, 22336, 24892, 28448, 34202, 39088, 44323, 49784, 56896, 68404, 78176, 88646, 99568, 136808, 156352, 177292, 199136, 273616, 310261, 354584, 398272, 547232, 620522, 709168, 1094464, 1241044, 1418336, 2171827, 2482088, 2836672, 4343654, 4964176, 8687308, 9928352, 17374616, 19856704, 34749232, 69498464, 138996928]

約数ペア:

[(1, 138996928), (2, 69498464), (4, 34749232), (7, 19856704), (8, 17374616), (14, 9928352), (16, 8687308), (28, 4964176), (32, 4343654), (49, 2836672), (56, 2482088), (64, 2171827), (98, 1418336), (112, 1241044), (127, 1094464), (196, 709168), (224, 620522), (254, 547232), (349, 398272), (392, 354584), (448, 310261), (508, 273616), (698, 199136), (784, 177292), (889, 156352), (1016, 136808), (1396, 99568), (1568, 88646), (1778, 78176), (2032, 68404), (2443, 56896), (2792, 49784), (3136, 44323), (3556, 39088), (4064, 34202), (4886, 28448), (5584, 24892), (6223, 22336), (7112, 19544), (8128, 17101), (9772, 14224), (11168, 12446)]