161951416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 342650880

約数和(自身を除く): 180699464

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 127, 172, 254, 337, 344, 473, 508, 674, 946, 1016, 1348, 1397, 1892, 2696, 2794, 3707, 3784, 5461, 5588, 7414, 10922, 11176, 14491, 14828, 21844, 28982, 29656, 42799, 43688, 57964, 60071, 85598, 115928, 120142, 159401, 171196, 240284, 318802, 342392, 470789, 480568, 637604, 941578, 1275208, 1840357, 1883156, 3680714, 3766312, 7361428, 14722856, 20243927, 40487854, 80975708, 161951416]

約数ペア:

[(1, 161951416), (2, 80975708), (4, 40487854), (8, 20243927), (11, 14722856), (22, 7361428), (43, 3766312), (44, 3680714), (86, 1883156), (88, 1840357), (127, 1275208), (172, 941578), (254, 637604), (337, 480568), (344, 470789), (473, 342392), (508, 318802), (674, 240284), (946, 171196), (1016, 159401), (1348, 120142), (1397, 115928), (1892, 85598), (2696, 60071), (2794, 57964), (3707, 43688), (3784, 42799), (5461, 29656), (5588, 28982), (7414, 21844), (10922, 14828), (11176, 14491)]