215878278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 548819712

約数和(自身を除く): 332941434

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 107, 121, 154, 214, 231, 242, 321, 363, 397, 462, 642, 726, 749, 794, 847, 1177, 1191, 1498, 1694, 2247, 2354, 2382, 2541, 2779, 3531, 4367, 4494, 5082, 5558, 7062, 8239, 8337, 8734, 12947, 13101, 16478, 16674, 24717, 25894, 26202, 30569, 38841, 42479, 48037, 49434, 61138, 77682, 84958, 90629, 91707, 96074, 127437, 144111, 181258, 183414, 254874, 271887, 288222, 297353, 336259, 467269, 543774, 594706, 672518, 892059, 934538, 1008777, 1401807, 1784118, 2017554, 2803614, 3270883, 5139959, 6541766, 9812649, 10279918, 15419877, 19625298, 30839754, 35979713, 71959426, 107939139, 215878278]

約数ペア:

[(1, 215878278), (2, 107939139), (3, 71959426), (6, 35979713), (7, 30839754), (11, 19625298), (14, 15419877), (21, 10279918), (22, 9812649), (33, 6541766), (42, 5139959), (66, 3270883), (77, 2803614), (107, 2017554), (121, 1784118), (154, 1401807), (214, 1008777), (231, 934538), (242, 892059), (321, 672518), (363, 594706), (397, 543774), (462, 467269), (642, 336259), (726, 297353), (749, 288222), (794, 271887), (847, 254874), (1177, 183414), (1191, 181258), (1498, 144111), (1694, 127437), (2247, 96074), (2354, 91707), (2382, 90629), (2541, 84958), (2779, 77682), (3531, 61138), (4367, 49434), (4494, 48037), (5082, 42479), (5558, 38841), (7062, 30569), (8239, 26202), (8337, 25894), (8734, 24717), (12947, 16674), (13101, 16478)]