81830056

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1966

約数の個数: 64

約数和(自身を含む): 194088960

約数和(自身を除く): 112258904

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1871, 1988, 3124, 3742, 3976, 5467, 6248, 7484, 10934, 13097, 14968, 20581, 21868, 26194, 41162, 43736, 52388, 82324, 104776, 132841, 144067, 164648, 265682, 288134, 531364, 576268, 929887, 1062728, 1152536, 1461251, 1859774, 2922502, 3719548, 5845004, 7439096, 10228757, 11690008, 20457514, 40915028, 81830056]

約数ペア:

[(1, 81830056), (2, 40915028), (4, 20457514), (7, 11690008), (8, 10228757), (11, 7439096), (14, 5845004), (22, 3719548), (28, 2922502), (44, 1859774), (56, 1461251), (71, 1152536), (77, 1062728), (88, 929887), (142, 576268), (154, 531364), (284, 288134), (308, 265682), (497, 164648), (568, 144067), (616, 132841), (781, 104776), (994, 82324), (1562, 52388), (1871, 43736), (1988, 41162), (3124, 26194), (3742, 21868), (3976, 20581), (5467, 14968), (6248, 13097), (7484, 10934)]