864138856

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 1881129600

約数和(自身を除く): 1016990744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 257, 388, 514, 619, 679, 776, 1028, 1238, 1358, 1799, 2056, 2476, 2716, 3598, 4333, 4952, 5432, 7196, 8666, 14392, 17332, 24929, 34664, 49858, 60043, 99716, 120086, 159083, 174503, 199432, 240172, 318166, 349006, 420301, 480344, 636332, 698012, 840602, 1113581, 1272664, 1396024, 1681204, 2227162, 3362408, 4454324, 8908648, 15431051, 30862102, 61724204, 108017357, 123448408, 216034714, 432069428, 864138856]

約数ペア:

[(1, 864138856), (2, 432069428), (4, 216034714), (7, 123448408), (8, 108017357), (14, 61724204), (28, 30862102), (56, 15431051), (97, 8908648), (194, 4454324), (257, 3362408), (388, 2227162), (514, 1681204), (619, 1396024), (679, 1272664), (776, 1113581), (1028, 840602), (1238, 698012), (1358, 636332), (1799, 480344), (2056, 420301), (2476, 349006), (2716, 318166), (3598, 240172), (4333, 199432), (4952, 174503), (5432, 159083), (7196, 120086), (8666, 99716), (14392, 60043), (17332, 49858), (24929, 34664)]