138981248

素因数分解:

$2^7\times 7^2\times {\mathrm{22159}}^1$

素因数の和:22187

約数の個数: 48

約数和(自身を含む): 322095600

約数和(自身を除く): 183114352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 22159, 44318, 88636, 155113, 177272, 310226, 354544, 620452, 709088, 1085791, 1240904, 1418176, 2171582, 2481808, 2836352, 4343164, 4963616, 8686328, 9927232, 17372656, 19854464, 34745312, 69490624, 138981248]

約数ペア:

[(1, 138981248), (2, 69490624), (4, 34745312), (7, 19854464), (8, 17372656), (14, 9927232), (16, 8686328), (28, 4963616), (32, 4343164), (49, 2836352), (56, 2481808), (64, 2171582), (98, 1418176), (112, 1240904), (128, 1085791), (196, 709088), (224, 620452), (392, 354544), (448, 310226), (784, 177272), (896, 155113), (1568, 88636), (3136, 44318), (6272, 22159)]