40005119

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 13217281

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 343, 461, 539, 1127, 1771, 3227, 3773, 5071, 7889, 10603, 12397, 22589, 35497, 74221, 86779, 116633, 158123, 248479, 519547, 816431, 1739353, 3636829, 5715017, 40005119]

約数ペア:

[(1, 40005119), (7, 5715017), (11, 3636829), (23, 1739353), (49, 816431), (77, 519547), (161, 248479), (253, 158123), (343, 116633), (461, 86779), (539, 74221), (1127, 35497), (1771, 22589), (3227, 12397), (3773, 10603), (5071, 7889)]