25967305

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 14481719

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 263, 403, 455, 637, 1085, 1315, 1519, 1841, 2015, 2821, 3185, 3419, 7595, 8153, 9205, 12887, 14105, 17095, 19747, 23933, 40765, 57071, 64435, 98735, 105989, 119665, 167531, 285355, 399497, 529945, 741923, 837655, 1997485, 3709615, 5193461, 25967305]

約数ペア:

[(1, 25967305), (5, 5193461), (7, 3709615), (13, 1997485), (31, 837655), (35, 741923), (49, 529945), (65, 399497), (91, 285355), (155, 167531), (217, 119665), (245, 105989), (263, 98735), (403, 64435), (455, 57071), (637, 40765), (1085, 23933), (1315, 19747), (1519, 17095), (1841, 14105), (2015, 12887), (2821, 9205), (3185, 8153), (3419, 7595)]