261445814

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1931}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 472953600

約数和(自身を除く): 211507786

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 509, 1018, 1931, 3563, 3862, 7126, 9671, 13517, 19342, 27034, 36689, 67697, 73378, 135394, 256823, 513646, 982879, 1965758, 6880153, 13760306, 18674701, 37349402, 130722907, 261445814]

約数ペア:

[(1, 261445814), (2, 130722907), (7, 37349402), (14, 18674701), (19, 13760306), (38, 6880153), (133, 1965758), (266, 982879), (509, 513646), (1018, 256823), (1931, 135394), (3563, 73378), (3862, 67697), (7126, 36689), (9671, 27034), (13517, 19342)]