161739710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47431}}^1$

素因数の和:47480

約数の個数: 32

約数和(自身を含む): 327849984

約数和(自身を除く): 166110274

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 47431, 94862, 237155, 474310, 521741, 1043482, 1470361, 2608705, 2940722, 5217410, 7351805, 14703610, 16173971, 32347942, 80869855, 161739710]

約数ペア:

[(1, 161739710), (2, 80869855), (5, 32347942), (10, 16173971), (11, 14703610), (22, 7351805), (31, 5217410), (55, 2940722), (62, 2608705), (110, 1470361), (155, 1043482), (310, 521741), (341, 474310), (682, 237155), (1705, 94862), (3410, 47431)]