28187292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19739}}^1$

素因数の和:19770

約数の個数: 48

約数和(自身を含む): 79591680

約数和(自身を除く): 51404388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19739, 39478, 59217, 78956, 118434, 138173, 236868, 276346, 335563, 414519, 552692, 671126, 829038, 1006689, 1342252, 1658076, 2013378, 2348941, 4026756, 4697882, 7046823, 9395764, 14093646, 28187292]

約数ペア:

[(1, 28187292), (2, 14093646), (3, 9395764), (4, 7046823), (6, 4697882), (7, 4026756), (12, 2348941), (14, 2013378), (17, 1658076), (21, 1342252), (28, 1006689), (34, 829038), (42, 671126), (51, 552692), (68, 414519), (84, 335563), (102, 276346), (119, 236868), (204, 138173), (238, 118434), (357, 78956), (476, 59217), (714, 39478), (1428, 19739)]