129403184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 266366880

約数和(自身を除く): 136963696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 778, 1223, 1556, 2446, 3112, 4892, 6224, 6613, 9784, 13226, 19568, 20791, 26452, 41582, 52904, 83164, 105808, 166328, 332656, 475747, 951494, 1902988, 3805976, 7611952, 8087699, 16175398, 32350796, 64701592, 129403184]

約数ペア:

[(1, 129403184), (2, 64701592), (4, 32350796), (8, 16175398), (16, 8087699), (17, 7611952), (34, 3805976), (68, 1902988), (136, 951494), (272, 475747), (389, 332656), (778, 166328), (1223, 105808), (1556, 83164), (2446, 52904), (3112, 41582), (4892, 26452), (6224, 20791), (6613, 19568), (9784, 13226)]