28768356

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 77357280

約数和(自身を除く): 48588924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 307, 342, 411, 548, 614, 684, 822, 921, 1228, 1233, 1644, 1842, 2466, 2603, 2763, 3684, 4932, 5206, 5526, 5833, 7809, 10412, 11052, 11666, 15618, 17499, 23332, 23427, 31236, 34998, 42059, 46854, 52497, 69996, 84118, 93708, 104994, 126177, 168236, 209988, 252354, 378531, 504708, 757062, 799121, 1514124, 1598242, 2397363, 3196484, 4794726, 7192089, 9589452, 14384178, 28768356]

約数ペア:

[(1, 28768356), (2, 14384178), (3, 9589452), (4, 7192089), (6, 4794726), (9, 3196484), (12, 2397363), (18, 1598242), (19, 1514124), (36, 799121), (38, 757062), (57, 504708), (76, 378531), (114, 252354), (137, 209988), (171, 168236), (228, 126177), (274, 104994), (307, 93708), (342, 84118), (411, 69996), (548, 52497), (614, 46854), (684, 42059), (822, 34998), (921, 31236), (1228, 23427), (1233, 23332), (1644, 17499), (1842, 15618), (2466, 11666), (2603, 11052), (2763, 10412), (3684, 7809), (4932, 5833), (5206, 5526)]