1999290433

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 2488340736

約数和(自身を除く): 489050303

約数列:

[1, 7, 23, 53, 61, 161, 167, 371, 427, 529, 1169, 1219, 1403, 3233, 3703, 3841, 8533, 8851, 9821, 10187, 22631, 26887, 28037, 32269, 61957, 71309, 74359, 88343, 196259, 203573, 225883, 234301, 520513, 539911, 618401, 1425011, 1640107, 1710257, 3779377, 4682179, 5388923, 11971799, 12417953, 32775253, 37722461, 86925671, 285612919, 1999290433]

約数ペア:

[(1, 1999290433), (7, 285612919), (23, 86925671), (53, 37722461), (61, 32775253), (161, 12417953), (167, 11971799), (371, 5388923), (427, 4682179), (529, 3779377), (1169, 1710257), (1219, 1640107), (1403, 1425011), (3233, 618401), (3703, 539911), (3841, 520513), (8533, 234301), (8851, 225883), (9821, 203573), (10187, 196259), (22631, 88343), (26887, 74359), (28037, 71309), (32269, 61957)]