13586881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 4799039

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 251, 259, 407, 703, 1463, 1757, 2761, 2849, 4769, 4921, 7733, 9287, 19327, 33383, 52459, 54131, 65009, 102157, 176453, 367213, 715099, 1235171, 1940983, 13586881]

約数ペア:

[(1, 13586881), (7, 1940983), (11, 1235171), (19, 715099), (37, 367213), (77, 176453), (133, 102157), (209, 65009), (251, 54131), (259, 52459), (407, 33383), (703, 19327), (1463, 9287), (1757, 7733), (2761, 4921), (2849, 4769)]