1238456124

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{971}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 3184272000

約数和(自身を除く): 1945815876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 499, 639, 852, 971, 998, 1278, 1497, 1942, 1996, 2556, 2913, 2994, 3884, 4491, 5826, 5988, 8739, 8982, 11652, 17478, 17964, 34956, 35429, 68941, 70858, 106287, 137882, 141716, 206823, 212574, 275764, 318861, 413646, 425148, 484529, 620469, 637722, 827292, 969058, 1240938, 1275444, 1453587, 1938116, 2481876, 2907174, 4360761, 5814348, 8721522, 17443044, 34401559, 68803118, 103204677, 137606236, 206409354, 309614031, 412818708, 619228062, 1238456124]

約数ペア:

[(1, 1238456124), (2, 619228062), (3, 412818708), (4, 309614031), (6, 206409354), (9, 137606236), (12, 103204677), (18, 68803118), (36, 34401559), (71, 17443044), (142, 8721522), (213, 5814348), (284, 4360761), (426, 2907174), (499, 2481876), (639, 1938116), (852, 1453587), (971, 1275444), (998, 1240938), (1278, 969058), (1497, 827292), (1942, 637722), (1996, 620469), (2556, 484529), (2913, 425148), (2994, 413646), (3884, 318861), (4491, 275764), (5826, 212574), (5988, 206823), (8739, 141716), (8982, 137882), (11652, 106287), (17478, 70858), (17964, 68941), (34956, 35429)]