25869305

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 40875840

約数和(自身を除く): 15006535

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 331, 385, 539, 1015, 1421, 1595, 1655, 2233, 2317, 2695, 3641, 7105, 9599, 11165, 11585, 15631, 16219, 18205, 25487, 47995, 67193, 78155, 81095, 105589, 127435, 178409, 335965, 470351, 527945, 739123, 892045, 2351755, 3695615, 5173861, 25869305]

約数ペア:

[(1, 25869305), (5, 5173861), (7, 3695615), (11, 2351755), (29, 892045), (35, 739123), (49, 527945), (55, 470351), (77, 335965), (145, 178409), (203, 127435), (245, 105589), (319, 81095), (331, 78155), (385, 67193), (539, 47995), (1015, 25487), (1421, 18205), (1595, 16219), (1655, 15631), (2233, 11585), (2317, 11165), (2695, 9599), (3641, 7105)]