28086448

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 35659472

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 68, 94, 104, 136, 169, 188, 208, 221, 272, 338, 376, 442, 611, 676, 752, 799, 884, 1222, 1352, 1598, 1768, 2197, 2444, 2704, 2873, 3196, 3536, 4394, 4888, 5746, 6392, 7943, 8788, 9776, 10387, 11492, 12784, 15886, 17576, 20774, 22984, 31772, 35152, 37349, 41548, 45968, 63544, 74698, 83096, 103259, 127088, 135031, 149396, 166192, 206518, 270062, 298792, 413036, 540124, 597584, 826072, 1080248, 1652144, 1755403, 2160496, 3510806, 7021612, 14043224, 28086448]

約数ペア:

[(1, 28086448), (2, 14043224), (4, 7021612), (8, 3510806), (13, 2160496), (16, 1755403), (17, 1652144), (26, 1080248), (34, 826072), (47, 597584), (52, 540124), (68, 413036), (94, 298792), (104, 270062), (136, 206518), (169, 166192), (188, 149396), (208, 135031), (221, 127088), (272, 103259), (338, 83096), (376, 74698), (442, 63544), (611, 45968), (676, 41548), (752, 37349), (799, 35152), (884, 31772), (1222, 22984), (1352, 20774), (1598, 17576), (1768, 15886), (2197, 12784), (2444, 11492), (2704, 10387), (2873, 9776), (3196, 8788), (3536, 7943), (4394, 6392), (4888, 5746)]