254451818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 412304256

約数和(自身を除く): 157852438

約数列:

[1, 2, 17, 34, 103, 113, 206, 226, 643, 1286, 1751, 1921, 3502, 3842, 10931, 11639, 21862, 23278, 66229, 72659, 132458, 145318, 197863, 395726, 1125893, 1235203, 2251786, 2470406, 7483877, 14967754, 127225909, 254451818]

約数ペア:

[(1, 254451818), (2, 127225909), (17, 14967754), (34, 7483877), (103, 2470406), (113, 2251786), (206, 1235203), (226, 1125893), (643, 395726), (1286, 197863), (1751, 145318), (1921, 132458), (3502, 72659), (3842, 66229), (10931, 23278), (11639, 21862)]