207978751729

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{74143}}^1$

素因数の和:74330

約数の個数: 48

約数和(自身を含む): 267772538880

約数和(自身を除く): 59793787151

約数列:

[1, 7, 19, 23, 49, 131, 133, 161, 437, 917, 931, 1127, 2489, 3013, 3059, 6419, 17423, 21091, 21413, 57247, 74143, 121961, 147637, 400729, 519001, 1408717, 1705289, 2805103, 3633007, 9712733, 9861019, 11937023, 32400491, 67989131, 69027133, 83559161, 184541927, 223392859, 226803437, 475923917, 1291793489, 1563750013, 1587624059, 4244464321, 9042554423, 10946250091, 29711250247, 207978751729]

約数ペア:

[(1, 207978751729), (7, 29711250247), (19, 10946250091), (23, 9042554423), (49, 4244464321), (131, 1587624059), (133, 1563750013), (161, 1291793489), (437, 475923917), (917, 226803437), (931, 223392859), (1127, 184541927), (2489, 83559161), (3013, 69027133), (3059, 67989131), (6419, 32400491), (17423, 11937023), (21091, 9861019), (21413, 9712733), (57247, 3633007), (74143, 2805103), (121961, 1705289), (147637, 1408717), (400729, 519001)]