15721833841

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{41231}}^1$

素因数の和:41365

約数の個数: 32

約数和(自身を含む): 19633029120

約数和(自身を除く): 3911195279

約数列:

[1, 7, 19, 47, 61, 133, 329, 427, 893, 1159, 2867, 6251, 8113, 20069, 41231, 54473, 288617, 381311, 783389, 1937857, 2515091, 5483723, 13564999, 17605637, 36819283, 47786729, 118209277, 257734981, 334507103, 827464939, 2245976263, 15721833841]

約数ペア:

[(1, 15721833841), (7, 2245976263), (19, 827464939), (47, 334507103), (61, 257734981), (133, 118209277), (329, 47786729), (427, 36819283), (893, 17605637), (1159, 13564999), (2867, 5483723), (6251, 2515091), (8113, 1937857), (20069, 783389), (41231, 381311), (54473, 288617)]