71900983

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 93822456

約数和(自身を除く): 21921473

約数列:

[1, 7, 11, 49, 67, 77, 121, 181, 469, 539, 737, 847, 1267, 1991, 3283, 5159, 5929, 8107, 8869, 12127, 13937, 21901, 36113, 56749, 84889, 97559, 133397, 153307, 397243, 594223, 933779, 1073149, 1467367, 6536453, 10271569, 71900983]

約数ペア:

[(1, 71900983), (7, 10271569), (11, 6536453), (49, 1467367), (67, 1073149), (77, 933779), (121, 594223), (181, 397243), (469, 153307), (539, 133397), (737, 97559), (847, 84889), (1267, 56749), (1991, 36113), (3283, 21901), (5159, 13937), (5929, 12127), (8107, 8869)]