1228955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 1889664

約数和(自身を除く): 660709

約数列:

[1, 5, 7, 13, 35, 37, 65, 73, 91, 185, 259, 365, 455, 481, 511, 949, 1295, 2405, 2555, 2701, 3367, 4745, 6643, 13505, 16835, 18907, 33215, 35113, 94535, 175565, 245791, 1228955]

約数ペア:

[(1, 1228955), (5, 245791), (7, 175565), (13, 94535), (35, 35113), (37, 33215), (65, 18907), (73, 16835), (91, 13505), (185, 6643), (259, 4745), (365, 3367), (455, 2701), (481, 2555), (511, 2405), (949, 1295)]