1397452888

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{54401}}^1$

素因数の和:54452

約数の個数: 48

約数和(自身を含む): 2986669800

約数和(自身を除く): 1589216912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1352, 1976, 3211, 6422, 12844, 25688, 54401, 108802, 217604, 435208, 707213, 1033619, 1414426, 2067238, 2828852, 4134476, 5657704, 8268952, 9193769, 13437047, 18387538, 26874094, 36775076, 53748188, 73550152, 107496376, 174681611, 349363222, 698726444, 1397452888]

約数ペア:

[(1, 1397452888), (2, 698726444), (4, 349363222), (8, 174681611), (13, 107496376), (19, 73550152), (26, 53748188), (38, 36775076), (52, 26874094), (76, 18387538), (104, 13437047), (152, 9193769), (169, 8268952), (247, 5657704), (338, 4134476), (494, 2828852), (676, 2067238), (988, 1414426), (1352, 1033619), (1976, 707213), (3211, 435208), (6422, 217604), (12844, 108802), (25688, 54401)]