29928857

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 10782823

約数列:

[1, 7, 17, 19, 31, 49, 61, 119, 133, 217, 323, 427, 527, 589, 833, 931, 1037, 1159, 1519, 1891, 2261, 2989, 3689, 4123, 7259, 8113, 10013, 13237, 15827, 19703, 25823, 28861, 32147, 35929, 50813, 56791, 70091, 92659, 137921, 225029, 251503, 490637, 610793, 965447, 1575203, 1760521, 4275551, 29928857]

約数ペア:

[(1, 29928857), (7, 4275551), (17, 1760521), (19, 1575203), (31, 965447), (49, 610793), (61, 490637), (119, 251503), (133, 225029), (217, 137921), (323, 92659), (427, 70091), (527, 56791), (589, 50813), (833, 35929), (931, 32147), (1037, 28861), (1159, 25823), (1519, 19703), (1891, 15827), (2261, 13237), (2989, 10013), (3689, 8113), (4123, 7259)]