81689112

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21407}}^1$

素因数の和:21472

約数の個数: 48

約数和(自身を含む): 225426240

約数和(自身を除く): 143737128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 21407, 42814, 64221, 85628, 128442, 171256, 192663, 256884, 385326, 513768, 770652, 1134571, 1541304, 2269142, 3403713, 4538284, 6807426, 9076568, 10211139, 13614852, 20422278, 27229704, 40844556, 81689112]

約数ペア:

[(1, 81689112), (2, 40844556), (3, 27229704), (4, 20422278), (6, 13614852), (8, 10211139), (9, 9076568), (12, 6807426), (18, 4538284), (24, 3403713), (36, 2269142), (53, 1541304), (72, 1134571), (106, 770652), (159, 513768), (212, 385326), (318, 256884), (424, 192663), (477, 171256), (636, 128442), (954, 85628), (1272, 64221), (1908, 42814), (3816, 21407)]