201875779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 249984000

約数和(自身を除く): 48108221

約数列:

[1, 7, 19, 61, 133, 149, 167, 427, 1043, 1159, 1169, 2831, 3173, 8113, 9089, 10187, 19817, 22211, 24883, 63623, 71309, 172691, 174181, 193553, 472777, 1208837, 1354871, 1517863, 3309439, 10625041, 28839397, 201875779]

約数ペア:

[(1, 201875779), (7, 28839397), (19, 10625041), (61, 3309439), (133, 1517863), (149, 1354871), (167, 1208837), (427, 472777), (1043, 193553), (1159, 174181), (1169, 172691), (2831, 71309), (3173, 63623), (8113, 24883), (9089, 22211), (10187, 19817)]