66989041

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 85708800

約数和(自身を除く): 18719759

約数列:

[1, 7, 19, 23, 61, 133, 161, 359, 427, 437, 1159, 1403, 2513, 3059, 6821, 8113, 8257, 9821, 21899, 26657, 47747, 57799, 153293, 156883, 186599, 416081, 503677, 1098181, 2912567, 3525739, 9569863, 66989041]

約数ペア:

[(1, 66989041), (7, 9569863), (19, 3525739), (23, 2912567), (61, 1098181), (133, 503677), (161, 416081), (359, 186599), (427, 156883), (437, 153293), (1159, 57799), (1403, 47747), (2513, 26657), (3059, 21899), (6821, 9821), (8113, 8257)]