31840072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 65520000

約数和(自身を除く): 33679928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1448, 1991, 1999, 3982, 3998, 7964, 7996, 15928, 15992, 21989, 43978, 87956, 175912, 361819, 723638, 1447276, 2894552, 3980009, 7960018, 15920036, 31840072]

約数ペア:

[(1, 31840072), (2, 15920036), (4, 7960018), (8, 3980009), (11, 2894552), (22, 1447276), (44, 723638), (88, 361819), (181, 175912), (362, 87956), (724, 43978), (1448, 21989), (1991, 15992), (1999, 15928), (3982, 7996), (3998, 7964)]