71401468

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 133072632

約数和(自身を除く): 61671164

約数列:

[1, 2, 4, 19, 38, 76, 197, 251, 361, 394, 502, 722, 788, 1004, 1444, 3743, 4769, 7486, 9538, 14972, 19076, 49447, 71117, 90611, 98894, 142234, 181222, 197788, 284468, 362444, 939493, 1878986, 3757972, 17850367, 35700734, 71401468]

約数ペア:

[(1, 71401468), (2, 35700734), (4, 17850367), (19, 3757972), (38, 1878986), (76, 939493), (197, 362444), (251, 284468), (361, 197788), (394, 181222), (502, 142234), (722, 98894), (788, 90611), (1004, 71117), (1444, 49447), (3743, 19076), (4769, 14972), (7486, 9538)]