81790898

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 150600384

約数和(自身を除く): 68809486

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 131, 161, 262, 277, 322, 554, 917, 1127, 1834, 1939, 2254, 3013, 3878, 6026, 6371, 6419, 12742, 12838, 13573, 21091, 27146, 36287, 42182, 44597, 72574, 89194, 147637, 254009, 295274, 312179, 508018, 624358, 834601, 1669202, 1778063, 3556126, 5842207, 11684414, 40895449, 81790898]

約数ペア:

[(1, 81790898), (2, 40895449), (7, 11684414), (14, 5842207), (23, 3556126), (46, 1778063), (49, 1669202), (98, 834601), (131, 624358), (161, 508018), (262, 312179), (277, 295274), (322, 254009), (554, 147637), (917, 89194), (1127, 72574), (1834, 44597), (1939, 42182), (2254, 36287), (3013, 27146), (3878, 21091), (6026, 13573), (6371, 12838), (6419, 12742)]