78813904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 101174576

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 719, 806, 884, 1054, 1438, 1612, 1768, 2108, 2876, 3224, 3536, 4216, 5752, 6448, 6851, 8432, 9347, 11504, 12223, 13702, 18694, 22289, 24446, 27404, 37388, 44578, 48892, 54808, 74776, 89156, 97784, 109616, 149552, 158899, 178312, 195568, 289757, 317798, 356624, 378913, 579514, 635596, 757826, 1159028, 1271192, 1515652, 2318056, 2542384, 3031304, 4636112, 4925869, 6062608, 9851738, 19703476, 39406952, 78813904]

約数ペア:

[(1, 78813904), (2, 39406952), (4, 19703476), (8, 9851738), (13, 6062608), (16, 4925869), (17, 4636112), (26, 3031304), (31, 2542384), (34, 2318056), (52, 1515652), (62, 1271192), (68, 1159028), (104, 757826), (124, 635596), (136, 579514), (208, 378913), (221, 356624), (248, 317798), (272, 289757), (403, 195568), (442, 178312), (496, 158899), (527, 149552), (719, 109616), (806, 97784), (884, 89156), (1054, 74776), (1438, 54808), (1612, 48892), (1768, 44578), (2108, 37388), (2876, 27404), (3224, 24446), (3536, 22289), (4216, 18694), (5752, 13702), (6448, 12223), (6851, 11504), (8432, 9347)]