638631792

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{260879}}^1$

素因数の和:260910

約数の個数: 60

約数和(自身を含む): 1892423520

約数和(自身を除く): 1253791728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 260879, 521758, 782637, 1043516, 1565274, 2087032, 2347911, 3130548, 4174064, 4434943, 4695822, 6261096, 8869886, 9391644, 12522192, 13304829, 17739772, 18783288, 26609658, 35479544, 37566576, 39914487, 53219316, 70959088, 79828974, 106438632, 159657948, 212877264, 319315896, 638631792]

約数ペア:

[(1, 638631792), (2, 319315896), (3, 212877264), (4, 159657948), (6, 106438632), (8, 79828974), (9, 70959088), (12, 53219316), (16, 39914487), (17, 37566576), (18, 35479544), (24, 26609658), (34, 18783288), (36, 17739772), (48, 13304829), (51, 12522192), (68, 9391644), (72, 8869886), (102, 6261096), (136, 4695822), (144, 4434943), (153, 4174064), (204, 3130548), (272, 2347911), (306, 2087032), (408, 1565274), (612, 1043516), (816, 782637), (1224, 521758), (2448, 260879)]