91981356

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 240030000

約数和(自身を除く): 148048644

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 361, 646, 722, 969, 1083, 1249, 1292, 1444, 1938, 2166, 2498, 3747, 3876, 4332, 4996, 6137, 7494, 12274, 14988, 18411, 21233, 23731, 24548, 36822, 42466, 47462, 63699, 71193, 73644, 84932, 94924, 127398, 142386, 254796, 284772, 403427, 450889, 806854, 901778, 1210281, 1352667, 1613708, 1803556, 2420562, 2705334, 4841124, 5410668, 7665113, 15330226, 22995339, 30660452, 45990678, 91981356]

約数ペア:

[(1, 91981356), (2, 45990678), (3, 30660452), (4, 22995339), (6, 15330226), (12, 7665113), (17, 5410668), (19, 4841124), (34, 2705334), (38, 2420562), (51, 1803556), (57, 1613708), (68, 1352667), (76, 1210281), (102, 901778), (114, 806854), (204, 450889), (228, 403427), (323, 284772), (361, 254796), (646, 142386), (722, 127398), (969, 94924), (1083, 84932), (1249, 73644), (1292, 71193), (1444, 63699), (1938, 47462), (2166, 42466), (2498, 36822), (3747, 24548), (3876, 23731), (4332, 21233), (4996, 18411), (6137, 14988), (7494, 12274)]