80907918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21169}}^1$

素因数の和:21201

約数の個数: 48

約数和(自身を含む): 202723920

約数和(自身を除く): 121816002

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 21169, 42338, 63507, 127014, 148183, 275197, 296366, 444549, 550394, 825591, 889098, 1037281, 1651182, 1926379, 2074562, 3111843, 3852758, 5779137, 6223686, 11558274, 13484653, 26969306, 40453959, 80907918]

約数ペア:

[(1, 80907918), (2, 40453959), (3, 26969306), (6, 13484653), (7, 11558274), (13, 6223686), (14, 5779137), (21, 3852758), (26, 3111843), (39, 2074562), (42, 1926379), (49, 1651182), (78, 1037281), (91, 889098), (98, 825591), (147, 550394), (182, 444549), (273, 296366), (294, 275197), (546, 148183), (637, 127014), (1274, 63507), (1911, 42338), (3822, 21169)]