28293304

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 60873120

約数和(自身を除く): 32579816

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1231, 1352, 1768, 2462, 2873, 4924, 5746, 9848, 11492, 16003, 20927, 22984, 32006, 41854, 64012, 83708, 128024, 167416, 208039, 272051, 416078, 544102, 832156, 1088204, 1664312, 2176408, 3536663, 7073326, 14146652, 28293304]

約数ペア:

[(1, 28293304), (2, 14146652), (4, 7073326), (8, 3536663), (13, 2176408), (17, 1664312), (26, 1088204), (34, 832156), (52, 544102), (68, 416078), (104, 272051), (136, 208039), (169, 167416), (221, 128024), (338, 83708), (442, 64012), (676, 41854), (884, 32006), (1231, 22984), (1352, 20927), (1768, 16003), (2462, 11492), (2873, 9848), (4924, 5746)]