78700071

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 114048000

約数和(自身を除く): 35347929

約数列:

[1, 3, 19, 53, 57, 109, 159, 239, 327, 717, 1007, 2071, 3021, 4541, 5777, 6213, 12667, 13623, 17331, 26051, 38001, 78153, 109763, 240673, 329289, 494969, 722019, 1380703, 1484907, 4142109, 26233357, 78700071]

約数ペア:

[(1, 78700071), (3, 26233357), (19, 4142109), (53, 1484907), (57, 1380703), (109, 722019), (159, 494969), (239, 329289), (327, 240673), (717, 109763), (1007, 78153), (2071, 38001), (3021, 26051), (4541, 17331), (5777, 13623), (6213, 12667)]