2028112079

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 2539837440

約数和(自身を除く): 511725361

約数列:

[1, 7, 19, 59, 61, 133, 223, 361, 413, 427, 1121, 1159, 1561, 2527, 3599, 4237, 7847, 8113, 13157, 13603, 21299, 22021, 25193, 29659, 68381, 80503, 92099, 95221, 149093, 154147, 249983, 258457, 478667, 563521, 802577, 1299239, 1749881, 1809199, 4749677, 4910683, 5618039, 9094673, 15248963, 33247739, 34374781, 106742741, 289730297, 2028112079]

約数ペア:

[(1, 2028112079), (7, 289730297), (19, 106742741), (59, 34374781), (61, 33247739), (133, 15248963), (223, 9094673), (361, 5618039), (413, 4910683), (427, 4749677), (1121, 1809199), (1159, 1749881), (1561, 1299239), (2527, 802577), (3599, 563521), (4237, 478667), (7847, 258457), (8113, 249983), (13157, 154147), (13603, 149093), (21299, 95221), (22021, 92099), (25193, 80503), (29659, 68381)]