28159456

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 61979904

約数和(自身を除く): 33820448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 127, 164, 169, 208, 254, 328, 338, 416, 508, 533, 656, 676, 1016, 1066, 1312, 1352, 1651, 2032, 2132, 2704, 3302, 4064, 4264, 5207, 5408, 6604, 6929, 8528, 10414, 13208, 13858, 17056, 20828, 21463, 26416, 27716, 41656, 42926, 52832, 55432, 67691, 83312, 85852, 110864, 135382, 166624, 171704, 221728, 270764, 343408, 541528, 686816, 879983, 1083056, 1759966, 2166112, 3519932, 7039864, 14079728, 28159456]

約数ペア:

[(1, 28159456), (2, 14079728), (4, 7039864), (8, 3519932), (13, 2166112), (16, 1759966), (26, 1083056), (32, 879983), (41, 686816), (52, 541528), (82, 343408), (104, 270764), (127, 221728), (164, 171704), (169, 166624), (208, 135382), (254, 110864), (328, 85852), (338, 83312), (416, 67691), (508, 55432), (533, 52832), (656, 42926), (676, 41656), (1016, 27716), (1066, 26416), (1312, 21463), (1352, 20828), (1651, 17056), (2032, 13858), (2132, 13208), (2704, 10414), (3302, 8528), (4064, 6929), (4264, 6604), (5207, 5408)]