40722871

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 14434889

約数列:

[1, 7, 17, 19, 31, 49, 83, 119, 133, 217, 323, 527, 581, 589, 833, 931, 1411, 1519, 1577, 2261, 2573, 3689, 4067, 4123, 9877, 10013, 11039, 15827, 18011, 25823, 26809, 28861, 43741, 48887, 69139, 70091, 77273, 126077, 187663, 306187, 342209, 490637, 831079, 1313641, 2143309, 2395463, 5817553, 40722871]

約数ペア:

[(1, 40722871), (7, 5817553), (17, 2395463), (19, 2143309), (31, 1313641), (49, 831079), (83, 490637), (119, 342209), (133, 306187), (217, 187663), (323, 126077), (527, 77273), (581, 70091), (589, 69139), (833, 48887), (931, 43741), (1411, 28861), (1519, 26809), (1577, 25823), (2261, 18011), (2573, 15827), (3689, 11039), (4067, 10013), (4123, 9877)]