31448417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 42819840

約数和(自身を除く): 11371423

約数列:

[1, 7, 11, 13, 77, 89, 91, 143, 353, 623, 979, 1001, 1157, 2471, 3883, 4589, 6853, 8099, 12727, 27181, 31417, 32123, 50479, 89089, 219919, 345587, 353353, 408421, 2419109, 2858947, 4492631, 31448417]

約数ペア:

[(1, 31448417), (7, 4492631), (11, 2858947), (13, 2419109), (77, 408421), (89, 353353), (91, 345587), (143, 219919), (353, 89089), (623, 50479), (979, 32123), (1001, 31417), (1157, 27181), (2471, 12727), (3883, 8099), (4589, 6853)]