1331273455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 1693605888

約数和(自身を除く): 362332433

約数列:

[1, 5, 31, 61, 103, 155, 305, 515, 1367, 1891, 3193, 6283, 6835, 9455, 15965, 31415, 42377, 83387, 140801, 194773, 211885, 416935, 704005, 973865, 2584997, 4364831, 8588861, 12924985, 21824155, 42944305, 266254691, 1331273455]

約数ペア:

[(1, 1331273455), (5, 266254691), (31, 42944305), (61, 21824155), (103, 12924985), (155, 8588861), (305, 4364831), (515, 2584997), (1367, 973865), (1891, 704005), (3193, 416935), (6283, 211885), (6835, 194773), (9455, 140801), (15965, 83387), (31415, 42377)]