247841262

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 564019200

約数和(自身を除く): 316177938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 127, 142, 213, 254, 381, 426, 509, 639, 762, 1018, 1143, 1278, 1527, 1917, 2286, 3054, 3429, 3834, 4581, 6858, 9017, 9162, 13743, 18034, 27051, 27486, 36139, 54102, 64643, 72278, 81153, 108417, 129286, 162306, 193929, 216834, 243459, 325251, 387858, 486918, 581787, 650502, 975753, 1163574, 1745361, 1951506, 3490722, 4589653, 9179306, 13768959, 27537918, 41306877, 82613754, 123920631, 247841262]

約数ペア:

[(1, 247841262), (2, 123920631), (3, 82613754), (6, 41306877), (9, 27537918), (18, 13768959), (27, 9179306), (54, 4589653), (71, 3490722), (127, 1951506), (142, 1745361), (213, 1163574), (254, 975753), (381, 650502), (426, 581787), (509, 486918), (639, 387858), (762, 325251), (1018, 243459), (1143, 216834), (1278, 193929), (1527, 162306), (1917, 129286), (2286, 108417), (3054, 81153), (3429, 72278), (3834, 64643), (4581, 54102), (6858, 36139), (9017, 27486), (9162, 27051), (13743, 18034)]