138878896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{667687}}^1$

素因数の和:667708

約数の個数: 20

約数和(自身を含む): 289776592

約数和(自身を除く): 150897696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 667687, 1335374, 2670748, 5341496, 8679931, 10682992, 17359862, 34719724, 69439448, 138878896]

約数ペア:

[(1, 138878896), (2, 69439448), (4, 34719724), (8, 17359862), (13, 10682992), (16, 8679931), (26, 5341496), (52, 2670748), (104, 1335374), (208, 667687)]