16989426

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 41817600

約数和(自身を除く): 24828174

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 81, 93, 102, 153, 162, 186, 199, 279, 306, 398, 459, 527, 558, 597, 837, 918, 1054, 1194, 1377, 1581, 1674, 1791, 2511, 2754, 3162, 3383, 3582, 4743, 5022, 5373, 6169, 6766, 9486, 10149, 10746, 12338, 14229, 16119, 18507, 20298, 28458, 30447, 32238, 37014, 42687, 55521, 60894, 85374, 91341, 104873, 111042, 166563, 182682, 209746, 274023, 314619, 333126, 499689, 548046, 629238, 943857, 999378, 1887714, 2831571, 5663142, 8494713, 16989426]

約数ペア:

[(1, 16989426), (2, 8494713), (3, 5663142), (6, 2831571), (9, 1887714), (17, 999378), (18, 943857), (27, 629238), (31, 548046), (34, 499689), (51, 333126), (54, 314619), (62, 274023), (81, 209746), (93, 182682), (102, 166563), (153, 111042), (162, 104873), (186, 91341), (199, 85374), (279, 60894), (306, 55521), (398, 42687), (459, 37014), (527, 32238), (558, 30447), (597, 28458), (837, 20298), (918, 18507), (1054, 16119), (1194, 14229), (1377, 12338), (1581, 10746), (1674, 10149), (1791, 9486), (2511, 6766), (2754, 6169), (3162, 5373), (3383, 5022), (3582, 4743)]