291770042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1999}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 483840000

約数和(自身を除く): 192069958

約数列:

[1, 2, 19, 23, 38, 46, 167, 334, 437, 874, 1999, 3173, 3841, 3998, 6346, 7682, 37981, 45977, 72979, 75962, 91954, 145958, 333833, 667666, 873563, 1747126, 6342827, 7678159, 12685654, 15356318, 145885021, 291770042]

約数ペア:

[(1, 291770042), (2, 145885021), (19, 15356318), (23, 12685654), (38, 7678159), (46, 6342827), (167, 1747126), (334, 873563), (437, 667666), (874, 333833), (1999, 145958), (3173, 91954), (3841, 75962), (3998, 72979), (6346, 45977), (7682, 37981)]