12778875990125

素因数分解:

$5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1\times {\mathrm{29423}}^1$

素因数の和:36507

約数の個数: 64

約数和(自身を含む): 18486309224448

約数和(自身を除く): 5707433234323

約数列:

[1, 5, 7, 25, 35, 71, 125, 175, 355, 497, 875, 1775, 2485, 6991, 8875, 12425, 29423, 34955, 48937, 62125, 147115, 174775, 205961, 244685, 496361, 735575, 873875, 1029805, 1223425, 2089033, 2481805, 3474527, 3677875, 5149025, 6117125, 10445165, 12409025, 14623231, 17372635, 25745125, 52225825, 62045125, 73116155, 86863175, 205696193, 261129125, 365580775, 434315875, 1028480965, 1439873351, 1827903875, 5142404825, 7199366755, 14604429703, 25712024125, 35996833775, 73022148515, 102231007921, 179984168875, 365110742575, 511155039605, 1825553712875, 2555775198025, 12778875990125]

約数ペア:

[(1, 12778875990125), (5, 2555775198025), (7, 1825553712875), (25, 511155039605), (35, 365110742575), (71, 179984168875), (125, 102231007921), (175, 73022148515), (355, 35996833775), (497, 25712024125), (875, 14604429703), (1775, 7199366755), (2485, 5142404825), (6991, 1827903875), (8875, 1439873351), (12425, 1028480965), (29423, 434315875), (34955, 365580775), (48937, 261129125), (62125, 205696193), (147115, 86863175), (174775, 73116155), (205961, 62045125), (244685, 52225825), (496361, 25745125), (735575, 17372635), (873875, 14623231), (1029805, 12409025), (1223425, 10445165), (2089033, 6117125), (2481805, 5149025), (3474527, 3677875)]