205804846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 161913554

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 89, 151, 178, 247, 302, 403, 494, 589, 806, 1157, 1178, 1691, 1963, 2314, 2759, 2869, 3382, 3926, 4681, 5518, 5738, 7657, 9362, 13439, 15314, 21983, 26878, 35867, 37297, 43966, 52421, 60853, 71734, 74594, 88939, 104842, 121706, 174707, 177878, 255341, 349414, 416609, 510682, 681473, 833218, 1156207, 1362946, 2312414, 3319433, 5415917, 6638866, 7915571, 10831834, 15831142, 102902423, 205804846]

約数ペア:

[(1, 205804846), (2, 102902423), (13, 15831142), (19, 10831834), (26, 7915571), (31, 6638866), (38, 5415917), (62, 3319433), (89, 2312414), (151, 1362946), (178, 1156207), (247, 833218), (302, 681473), (403, 510682), (494, 416609), (589, 349414), (806, 255341), (1157, 177878), (1178, 174707), (1691, 121706), (1963, 104842), (2314, 88939), (2759, 74594), (2869, 71734), (3382, 60853), (3926, 52421), (4681, 43966), (5518, 37297), (5738, 35867), (7657, 26878), (9362, 21983), (13439, 15314)]