42890694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 116785152

約数和(自身を除く): 73894458

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 43, 51, 66, 77, 86, 102, 119, 127, 129, 154, 187, 231, 238, 254, 258, 301, 357, 374, 381, 462, 473, 561, 602, 714, 731, 762, 889, 903, 946, 1122, 1309, 1397, 1419, 1462, 1778, 1806, 2159, 2193, 2618, 2667, 2794, 2838, 3311, 3927, 4191, 4318, 4386, 5117, 5334, 5461, 6477, 6622, 7854, 8041, 8382, 9779, 9933, 10234, 10922, 12954, 15113, 15351, 16082, 16383, 19558, 19866, 23749, 24123, 29337, 30226, 30702, 32766, 38227, 45339, 47498, 48246, 56287, 58674, 60071, 71247, 76454, 90678, 92837, 112574, 114681, 120142, 142494, 166243, 168861, 180213, 185674, 229362, 278511, 332486, 337722, 360426, 420497, 498729, 557022, 649859, 840994, 997458, 1021207, 1261491, 1299718, 1949577, 2042414, 2522982, 3063621, 3899154, 6127242, 7148449, 14296898, 21445347, 42890694]

約数ペア:

[(1, 42890694), (2, 21445347), (3, 14296898), (6, 7148449), (7, 6127242), (11, 3899154), (14, 3063621), (17, 2522982), (21, 2042414), (22, 1949577), (33, 1299718), (34, 1261491), (42, 1021207), (43, 997458), (51, 840994), (66, 649859), (77, 557022), (86, 498729), (102, 420497), (119, 360426), (127, 337722), (129, 332486), (154, 278511), (187, 229362), (231, 185674), (238, 180213), (254, 168861), (258, 166243), (301, 142494), (357, 120142), (374, 114681), (381, 112574), (462, 92837), (473, 90678), (561, 76454), (602, 71247), (714, 60071), (731, 58674), (762, 56287), (889, 48246), (903, 47498), (946, 45339), (1122, 38227), (1309, 32766), (1397, 30702), (1419, 30226), (1462, 29337), (1778, 24123), (1806, 23749), (2159, 19866), (2193, 19558), (2618, 16383), (2667, 16082), (2794, 15351), (2838, 15113), (3311, 12954), (3927, 10922), (4191, 10234), (4318, 9933), (4386, 9779), (5117, 8382), (5334, 8041), (5461, 7854), (6477, 6622)]