81215808

素因数分解:

$2^6\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3229}}^1$

素因数の和:3375

約数の個数: 56

約数和(自身を含む): 216590880

約数和(自身を除く): 135375072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 131, 192, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3229, 4192, 6288, 6458, 8384, 9687, 12576, 12916, 19374, 25152, 25832, 38748, 51664, 77496, 103328, 154992, 206656, 309984, 422999, 619968, 845998, 1268997, 1691996, 2537994, 3383992, 5075988, 6767984, 10151976, 13535968, 20303952, 27071936, 40607904, 81215808]

約数ペア:

[(1, 81215808), (2, 40607904), (3, 27071936), (4, 20303952), (6, 13535968), (8, 10151976), (12, 6767984), (16, 5075988), (24, 3383992), (32, 2537994), (48, 1691996), (64, 1268997), (96, 845998), (131, 619968), (192, 422999), (262, 309984), (393, 206656), (524, 154992), (786, 103328), (1048, 77496), (1572, 51664), (2096, 38748), (3144, 25832), (3229, 25152), (4192, 19374), (6288, 12916), (6458, 12576), (8384, 9687)]