77121410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 143346672

約数和(自身を除く): 66225262

約数列:

[1, 2, 5, 10, 41, 82, 137, 205, 274, 410, 685, 1370, 1373, 2746, 5617, 6865, 11234, 13730, 28085, 56170, 56293, 112586, 188101, 281465, 376202, 562930, 940505, 1881010, 7712141, 15424282, 38560705, 77121410]

約数ペア:

[(1, 77121410), (2, 38560705), (5, 15424282), (10, 7712141), (41, 1881010), (82, 940505), (137, 562930), (205, 376202), (274, 281465), (410, 188101), (685, 112586), (1370, 56293), (1373, 56170), (2746, 28085), (5617, 13730), (6865, 11234)]