51131003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 66451968

約数和(自身を除く): 15320965

約数列:

[1, 7, 11, 37, 77, 131, 137, 259, 407, 917, 959, 1441, 1507, 2849, 4847, 5069, 10087, 10549, 17947, 33929, 35483, 53317, 55759, 125629, 197417, 373219, 390313, 664039, 1381919, 4648273, 7304429, 51131003]

約数ペア:

[(1, 51131003), (7, 7304429), (11, 4648273), (37, 1381919), (77, 664039), (131, 390313), (137, 373219), (259, 197417), (407, 125629), (917, 55759), (959, 53317), (1441, 35483), (1507, 33929), (2849, 17947), (4847, 10549), (5069, 10087)]