197891028

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 510787368

約数和(自身を除く): 312896340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 257, 292, 293, 438, 514, 586, 657, 771, 876, 879, 1028, 1172, 1314, 1542, 1758, 2313, 2628, 2637, 3084, 3516, 4626, 5274, 9252, 10548, 18761, 21389, 37522, 42778, 56283, 64167, 75044, 75301, 85556, 112566, 128334, 150602, 168849, 192501, 225132, 225903, 256668, 301204, 337698, 385002, 451806, 675396, 677709, 770004, 903612, 1355418, 2710836, 5496973, 10993946, 16490919, 21987892, 32981838, 49472757, 65963676, 98945514, 197891028]

約数ペア:

[(1, 197891028), (2, 98945514), (3, 65963676), (4, 49472757), (6, 32981838), (9, 21987892), (12, 16490919), (18, 10993946), (36, 5496973), (73, 2710836), (146, 1355418), (219, 903612), (257, 770004), (292, 677709), (293, 675396), (438, 451806), (514, 385002), (586, 337698), (657, 301204), (771, 256668), (876, 225903), (879, 225132), (1028, 192501), (1172, 168849), (1314, 150602), (1542, 128334), (1758, 112566), (2313, 85556), (2628, 75301), (2637, 75044), (3084, 64167), (3516, 56283), (4626, 42778), (5274, 37522), (9252, 21389), (10548, 18761)]